diff --git a/constructor/nsis/main.nsi.tmpl b/constructor/nsis/main.nsi.tmpl
index d63ca3a..f22c5b2 100644
--- a/constructor/nsis/main.nsi.tmpl
+++ b/constructor/nsis/main.nsi.tmpl
@@ -1,15 +1,17 @@
 # Installer template file for creating a Windows installer using NSIS.
 
-# Dependencies:
-#   NSIS >=3.08      conda install "nsis>=3.08"  (includes extra unicode plugins)
+!if "${NSIS_PACKEDVERSION}" < 0x3008000
+  !error "NSIS 3.08 or higher is required to build this installer!"
+  # conda install "nsis>=3.08"  (includes extra unicode plugins)
+!endif
 
-Unicode "true"
+Unicode true
 
-#if enable_debugging is True
+{%- if enable_debugging %}
 # Special logging build needed for ENABLE_LOGGING
 # See https://nsis.sourceforge.io/Special_Builds
 !define ENABLE_LOGGING
-#endif
+{%- endif %}
 
 # Comes from https://nsis.sourceforge.io/Logging:Enable_Logs_Quickly
 !define LogSet "!insertmacro LogSetMacro"
@@ -26,6 +28,29 @@ Unicode "true"
   !endif
 !macroend
 
+var /global QuietMode # "0" = print normally, "1" = do not print
+var /global StdOutHandle
+var /global StdOutHandleSet
+!define Print "!insertmacro PrintMacro"
+!macro PrintMacro INPUT_TEXT
+  DetailPrint "${INPUT_TEXT}"
+  ${If} ${Silent}
+  ${AndIf} $QuietMode != "1"
+    ${IfNot} $StdOutHandleSet == "1"
+        System::Call 'kernel32::GetStdHandle(i -11)i.r0'
+        System::Call 'kernel32::AttachConsole(i -1)i.r1'
+        ${If} $0 = 0
+        ${OrIf} $1 = 0
+            System::Call 'kernel32::AllocConsole()'
+            System::Call 'kernel32::GetStdHandle(i -11)i.r0'
+        ${EndIf}
+        StrCpy $StdOutHandle $0
+        StrCpy $StdOutHandleSet "1"
+    ${EndIf}
+    FileWrite $StdOutHandle "${INPUT_TEXT}$\n"
+  ${EndIf}
+!macroend
+
 !include "WinMessages.nsh"
 !include "WordFunc.nsh"
 !include "LogicLib.nsh"
@@ -42,26 +67,30 @@ Unicode "true"
 
 !include "Utils.nsh"
 
-!define NAME __NAME__
-!define VERSION __VERSION__
-!define COMPANY __COMPANY__
-!define ARCH __ARCH__
-!define PLATFORM __PLATFORM__
-!define CONSTRUCTOR_VERSION __CONSTRUCTOR_VERSION__
-!define PY_VER __PY_VER__
-!define PYVERSION_JUSTDIGITS __PYVERSION_JUSTDIGITS__
-!define PYVERSION __PYVERSION__
-!define PYVERSION_MAJOR __PYVERSION_MAJOR__
-!define DEFAULT_PREFIX __DEFAULT_PREFIX__
-!define DEFAULT_PREFIX_DOMAIN_USER __DEFAULT_PREFIX_DOMAIN_USER__
-!define DEFAULT_PREFIX_ALL_USERS __DEFAULT_PREFIX_ALL_USERS__
-!define PRE_INSTALL_DESC __PRE_INSTALL_DESC__
-!define POST_INSTALL_DESC __POST_INSTALL_DESC__
-!define ENABLE_SHORTCUTS __ENABLE_SHORTCUTS__
-!define SHOW_REGISTER_PYTHON __SHOW_REGISTER_PYTHON__
-!define SHOW_ADD_TO_PATH __SHOW_ADD_TO_PATH__
+{%- if uninstall_with_conda_exe %}
+!include "StandaloneUninstallerOptions.nsh"
+{%- endif %}
+
+!define NAME {{ installer_name }}
+!define VERSION {{ installer_version }}
+!define COMPANY {{ company }}
+!define ARCH {{ arch }}
+!define PLATFORM {{ installer_platform }}
+!define CONSTRUCTOR_VERSION {{ constructor_version }}
+!define PY_VER {{ pyver_components[:2] | join(".") }}
+!define PYVERSION_JUSTDIGITS {{ pyver_components | join("") }}
+!define PYVERSION {{ pyver_components | join(".") }}
+!define PYVERSION_MAJOR {{ pyver_components[0] }}
+!define DEFAULT_PREFIX {{ default_prefix }}
+!define DEFAULT_PREFIX_DOMAIN_USER {{ default_prefix_domain_user }}
+!define DEFAULT_PREFIX_ALL_USERS {{ default_prefix_all_users }}
+!define PRE_INSTALL_DESC {{ pre_install_desc }}
+!define POST_INSTALL_DESC {{ post_install_desc }}
+!define ENABLE_SHORTCUTS {{ enable_shortcuts }}
+!define SHOW_REGISTER_PYTHON {{ show_register_python }}
+!define SHOW_ADD_TO_PATH {{ show_add_to_path }}
 !define PRODUCT_NAME "${NAME} ${VERSION} (${ARCH})"
-!define UNINSTALL_NAME "@UNINSTALL_NAME@"
+!define UNINSTALL_NAME "{{ UNINSTALL_NAME }}"
 !define UNINSTREG "SOFTWARE\Microsoft\Windows\CurrentVersion\
                    \Uninstall\${UNINSTALL_NAME}"
 
@@ -84,6 +113,12 @@ var /global ARGV_NoRegistry
 var /global ARGV_NoScripts
 var /global ARGV_NoShortcuts
 var /global ARGV_CheckPathLength
+var /global ARGV_QuietMode
+{%- if uninstall_with_conda_exe %}
+var /global ARGV_Uninst_RemoveConfigFiles
+var /global ARGV_Uninst_RemoveUserData
+var /global ARGV_Uninst_RemoveCaches
+{%- endif %}
 
 var /global IsDomainUser
 var /global CheckPathLength
@@ -104,7 +139,7 @@ CRCCheck On
 
 # Basic options
 Name "${PRODUCT_NAME}"
-OutFile __OUTFILE__
+OutFile {{ outfile }}
 ShowInstDetails "hide"
 ShowUninstDetails "hide"
 # This installer contains tar.bz2 files, which are already compressed
@@ -121,33 +156,33 @@ VIAddVersionKey "CompanyName" "${COMPANY}"
 VIAddVersionKey "LegalCopyright" "(c) ${COMPANY}"
 VIAddVersionKey "FileDescription" "${NAME} Installer"
 VIAddVersionKey "Comments" "Created by constructor ${CONSTRUCTOR_VERSION}"
-VIProductVersion __VIPV__
+VIProductVersion {{ vipv }}
 BrandingText /TRIMLEFT "${COMPANY}"
 
 # Interface configuration
-!define MUI_ICON __ICONFILE__
-!define MUI_UNICON __ICONFILE__
+!define MUI_ICON {{ iconfile }}
+!define MUI_UNICON {{ iconfile }}
 !define MUI_HEADERIMAGE
-!define MUI_HEADERIMAGE_BITMAP __HEADERIMAGE__
-!define MUI_HEADERIMAGE_UNBITMAP __HEADERIMAGE__
+!define MUI_HEADERIMAGE_BITMAP {{ headerimage }}
+!define MUI_HEADERIMAGE_UNBITMAP {{ headerimage }}
 !define MUI_ABORTWARNING
 !define MUI_FINISHPAGE_NOAUTOCLOSE
 !define MUI_UNFINISHPAGE_NOAUTOCLOSE
-!define MUI_WELCOMEFINISHPAGE_BITMAP __WELCOMEIMAGE__
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP __WELCOMEIMAGE__
+!define MUI_WELCOMEFINISHPAGE_BITMAP {{ welcomeimage }}
+!define MUI_UNWELCOMEFINISHPAGE_BITMAP {{ welcomeimage }}
 #!define MUI_CUSTOMFUNCTION_GUIINIT GuiInit
 
 # Pages
 #!define MUI_PAGE_CUSTOMFUNCTION_SHOW OnStartup
-#if custom_welcome
+{%- if custom_welcome %}
 # Custom welcome file(s)
-@CUSTOM_WELCOME_FILE@
-#else
+{{ CUSTOM_WELCOME_FILE }}
+{%- else %}
 !define MUI_PAGE_CUSTOMFUNCTION_PRE SkipPageIfUACInnerInstance
 !insertmacro MUI_PAGE_WELCOME
-#endif
+{%- endif %}
 !define MUI_PAGE_CUSTOMFUNCTION_PRE SkipPageIfUACInnerInstance
-!insertmacro MUI_PAGE_LICENSE __LICENSEFILE__
+!insertmacro MUI_PAGE_LICENSE {{ licensefile }}
 Page Custom InstModePage_Create InstModePage_Leave
 !define MUI_PAGE_CUSTOMFUNCTION_PRE DisableBackButtonIfUACInnerInstance
 !define MUI_PAGE_CUSTOMFUNCTION_LEAVE OnDirectoryLeave
@@ -155,23 +190,31 @@ Page Custom InstModePage_Create InstModePage_Leave
 # Custom options now differ depending on installation mode.
 #Page Custom mui_AnaCustomOptions_Show
 !insertmacro MUI_PAGE_INSTFILES
-#if with_conclusion_text is True
-!define MUI_FINISHPAGE_TITLE __CONCLUSION_TITLE__
-!define MUI_FINISHPAGE_TITLE_3LINES
-!define MUI_FINISHPAGE_TEXT __CONCLUSION_TEXT__
-#endif
 
-#if custom_conclusion
+{%- for page in POST_INSTALL_PAGES %}
+{{ page }}
+{%- endfor %}
+
+{%- if with_conclusion_text %}
+!define MUI_FINISHPAGE_TITLE {{ conclusion_title }}
+!define MUI_FINISHPAGE_TITLE_3LINES
+!define MUI_FINISHPAGE_TEXT {{ conclusion_text }}
+{%- endif %}
+
+{%- if custom_conclusion %}
 # Custom conclusion file(s)
-@CUSTOM_CONCLUSION_FILE@
-#else
+{{ CUSTOM_CONCLUSION_FILE }}
+{%- else %}
 !insertmacro MUI_PAGE_FINISH
-#endif
+{%- endif %}
 
 
 !insertmacro MUI_UNPAGE_WELCOME
 !define MUI_PAGE_CUSTOMFUNCTION_LEAVE un.OnDirectoryLeave
 !insertmacro MUI_UNPAGE_CONFIRM
+{%- if uninstall_with_conda_exe %}
+UninstPage Custom un.UninstCustomOptions_Show
+{%- endif %}
 !insertmacro MUI_UNPAGE_INSTFILES
 !insertmacro MUI_UNPAGE_FINISH
 
@@ -224,35 +267,54 @@ FunctionEnd
     ${GetParameters} $ARGV
     ${GetOptions} $ARGV "/?" $ARGV_Help
     ${IfNot} ${Errors}
-        MessageBox MB_OK|MB_ICONEXCLAMATION \
-            "Usage: $EXEFILE [options]$\n\
-             Options:$\n$\n\
-                /InstallationType=AllUsers [default: JustMe]$\n$\n\
-                /AddToPath=[0|1] [default: 0]$\n$\n\
-#if keep_pkgs is True
-                /KeepPkgCache=[0|1] [default: 1]$\n$\n\
-#endif
-#if keep_pkgs is False
-                /KeepPkgCache=[0|1] [default: 0]$\n$\n\
-#endif
-                /RegisterPython=[0|1] [default: AllUsers: 1, JustMe: 0]$\n$\n\
-                /NoRegistry=[0|1] [default: AllUsers: 0, JustMe: 0]$\n$\n\
-                /NoScripts=[0|1] [default: 0]$\n$\n\
-                /NoShortcuts=[0|1] [default: 0]$\n$\n\
-                /CheckPathLength=[0|1] [default: 1]$\n$\n\
-            Examples:$\n\
+        SetSilent silent
+        ${Print} "\
+            Installs ${NAME} ${VERSION}$\n\
+            $\n\
+            USAGE$\n\
+            -----$\n\
+            $\n\
+            $EXEFILE [options]$\n\
+            $\n\
+            OPTIONS$\n\
+            -------$\n\
+            $\n\
+                /InstallationType=AllUsers [default: JustMe]$\n\
+                /AddToPath=[0|1] [default: 0]$\n\
+                /KeepPkgCache=[0|1] [default: {{ 1 if keep_pkgs else 0 }}]$\n\
+                /RegisterPython=[0|1] [default: AllUsers: 1, JustMe: 0]$\n\
+                /NoRegistry=[0|1] [default: AllUsers: 0, JustMe: 0]$\n\
+                /NoScripts=[0|1] [default: 0]$\n\
+                /NoShortcuts=[0|1] [default: 0]$\n\
+                /CheckPathLength=[0|1] [default: 1]$\n\
+                /? (show this help message)$\n\
+                /S (run in CLI/headless mode)$\n\
+                /Q (quiet mode, do not print output to console)$\n\
+                /D=[installation directory] (must be last parameter)$\n"
+        # There seems to be a limit to how many chars per ${Print} we can pass.
+        # The message will get truncated silently, no errors.
+        # That's why we split the help message in two calls.
+        ${Print} "\
+            EXAMPLES$\n\
+            --------$\n\
+                $\n\
                 Install for all users, but don't add to PATH env var:$\n\
-                    $EXEFILE /InstallationType=AllUsers$\n$\n\
+                    > $EXEFILE /InstallationType=AllUsers$\n\
+                $\n\
                 Install for just me, add to PATH and register as system Python:$\n\
-                    $EXEFILE /RegisterPython=1 /AddToPath=1$\n$\n\
+                    > $EXEFILE /RegisterPython=1 /AddToPath=1$\n\
+                $\n\
                 Install for just me, with no registry modification (for CI):$\n\
-                    $EXEFILE /NoRegistry=1$\n$\n\
+                    > $EXEFILE /NoRegistry=1$\n\
+                $\n\
+                Install via CLI (no GUI) into C:\${NAME}$\n\
+                    > cmd /C START /WAIT $EXEFILE /S /D=C:\${NAME}$\n\
+            $\n\
             NOTE: If you install for AllUsers, then the option to AddToPath$\n\
-                is disabled (i.e. if ./InstallationType=AllUsers, then$\n\
-                /AddToPath=1 will be ignored).$\n" \
-            /SD IDOK
-            Abort
-     ${EndIf}
+                is disabled (i.e. if /InstallationType=AllUsers, then$\n\
+                /AddToPath=1 will be ignored)."
+        Abort
+    ${EndIf}
 
     ClearErrors
     ${GetOptions} $ARGV "/InstallationType=" $ARGV_InstallationType
@@ -277,7 +339,7 @@ FunctionEnd
     ClearErrors
     ${GetOptions} $ARGV "/KeepPkgCache=" $ARGV_KeepPkgCache
     ${If} ${Errors}
-        StrCpy $ARGV_KeepPkgCache "@KEEP_PKGS@"
+        StrCpy $ARGV_KeepPkgCache "{{ 1 if keep_pkgs else 0 }}"
     ${EndIf}
 
     ClearErrors
@@ -320,6 +382,12 @@ FunctionEnd
         ${EndIf}
     ${EndIf}
 
+    ClearErrors
+    ${GetOptions} $ARGV "/Q" $ARGV_QuietMode
+    ${IfNot} ${Errors}
+        StrCpy $QuietMode "1"
+    ${EndIf}
+
 !macroend
 
 Function OnInit_Release
@@ -336,6 +404,7 @@ Function OnInit_Release
                 # To address CVE-2022-26526.
                 # In AllUsers install mode, do not allow AddToPath as an option.
                 MessageBox MB_OK|MB_ICONEXCLAMATION "/AddToPath=1 is disabled and ignored in 'All Users' installations" /SD IDOK
+                ${Print} "/AddToPath=1 is disabled and ignored in 'All Users' installations"
                 StrCpy $Ana_AddToPath_State ${BST_UNCHECKED}
             ${Else}
                 StrCpy $Ana_AddToPath_State ${BST_CHECKED}
@@ -488,13 +557,18 @@ Function .onInit
     Push $R2
 
     InitPluginsDir
-    @TEMP_EXTRA_FILES@
+{%- if TEMP_EXTRA_FILES | length != 0 %}
+    SetOutPath $PLUGINSDIR
+{%- for file in TEMP_EXTRA_FILES %}
+    File {{ file }}
+{%- endfor %}
+{%- endif %}
     !insertmacro ParseCommandLineArgs
 
     # Select the correct registry to look at, depending
     # on whether it's a 32-bit or 64-bit installer
-    SetRegView @BITS@
-#if win64
+    SetRegView {{ BITS }}
+{%- if win64 %}
     # If we're a 64-bit installer, make sure it's 64-bit Windows
     ${IfNot} ${RunningX64}
         MessageBox MB_OK|MB_ICONEXCLAMATION \
@@ -504,7 +578,7 @@ Function .onInit
             /SD IDOK
         Abort
     ${EndIf}
-#endif
+{%- endif %}
 
     !insertmacro UAC_PageElevation_OnInit
     ${If} ${UAC_IsInnerInstance}
@@ -607,9 +681,9 @@ Function .onInit
             ${IfNot} ${UAC_IsAdmin}
                 MessageBox MB_ICONSTOP "Installation for all users requires an elevated prompt."
                 Abort
-            ${EndIF}
-        ${EndIF}
-    ${EndIF}
+            ${EndIf}
+        ${EndIf}
+    ${EndIf}
 
     ; /D was not used, add default based on install type
     ${If} $InstDir == ""
@@ -630,47 +704,28 @@ Function .onInit
     Call mui_AnaCustomOptions_InitDefaults
     # Override custom options with explicitly given values from contruct.yaml.
     # If initialize_by_default (register_python_default) is None, do nothing.
-#if initialize_conda is True and initialize_by_default is True
+{%- if initialize_conda %}
+    {%- if initialize_by_default %}
     ${If} $InstMode == ${JUST_ME}
         StrCpy $Ana_AddToPath_State ${BST_CHECKED}
-    ${EndIF}
-#endif
-#if initialize_conda is True and initialize_by_default is False
+    ${EndIf}
+    {%- else %}
     StrCpy $Ana_AddToPath_State ${BST_UNCHECKED}
-#endif
-#if register_python is True and register_python_default is True
-    StrCpy $Ana_RegisterSystemPython_State ${BST_CHECKED}
-#endif
-#if register_python is True and register_python_default is False
-    StrCpy $Ana_RegisterSystemPython_State ${BST_UNCHECKED}
-#endif
-#if check_path_length is True
-    StrCpy $CheckPathLength "1"
-#endif
-#if check_path_length is False
-    StrCpy $CheckPathLength "0"
-#endif
-#if keep_pkgs is True
-    StrCpy $Ana_ClearPkgCache_State ${BST_UNCHECKED}
-#endif
-#if keep_pkgs is False
-    StrCpy $Ana_ClearPkgCache_State ${BST_CHECKED}
-#endif
-#if pre_install_exists is True
-    StrCpy $Ana_PreInstall_State ${BST_CHECKED}
-#endif
-#if pre_install_exists is False
-    StrCpy $Ana_PreInstall_State ${BST_UNCHECKED}
-#endif
-#if post_install_exists is True
-    StrCpy $Ana_PostInstall_State ${BST_CHECKED}
-#endif
-#if post_install_exists is False
-    StrCpy $Ana_PostInstall_State ${BST_UNCHECKED}
-#endif
+    {%- endif %}
+{%- endif %}
+
+{%- if register_python %}
+    StrCpy $Ana_RegisterSystemPython_State {{ '${BST_CHECKED}' if register_python_default else '${BST_UNCHECKED}' }}
+{%- endif %}
+    StrCpy $CheckPathLength "{{ 1 if check_path_length else 0 }}"
+    StrCpy $Ana_ClearPkgCache_State {{ '${BST_UNCHECKED}' if keep_pkgs else '${BST_CHECKED}' }}
+    StrCpy $Ana_PreInstall_State {{ '${BST_CHECKED}' if pre_install_exists else '${BST_UNCHECKED}' }}
+    StrCpy $Ana_PostInstall_State {{ '${BST_CHECKED}' if post_install_exists else '${BST_UNCHECKED}' }}
 
     Call OnInit_Release
 
+    ${Print} "Welcome to ${NAME} ${VERSION}$\n"
+
     Pop $R2
     Pop $R1
     Pop $2
@@ -678,7 +733,106 @@ Function .onInit
     Pop $0
 FunctionEnd
 
+!macro un.ParseCommandLineArgs
+    ClearErrors
+    ${GetParameters} $ARGV
+    ${GetOptions} $ARGV "/?" $ARGV_Help
+    ${IfNot} ${Errors}
+        SetSilent silent
+        ${Print} "\
+            Uninstalls ${NAME} ${VERSION}$\n\
+            $\n\
+            USAGE$\n\
+            -----$\n\
+            $\n\
+            Uninstall-${NAME}.exe [options]$\n\
+            $\n\
+            OPTIONS$\n\
+            -------$\n\
+            $\n\
+                /? (show this help message)$\n\
+                /S (run in CLI/headless mode)$\n\
+                /Q (quiet mode, do not print output to console)$\n\
+{%- if uninstall_with_conda_exe %}
+                /RemoveCaches=[0|1] [default: 0]$\n\
+                /RemoveConfigFiles=[none|users|system|all] [default: none]$\n\
+                /RemoveUserData=[0|1] [default: 0]$\n\
+{%- endif %}
+                /_?=[installation directory] (must be last parameter)$\n\
+            $\n\
+            EXAMPLES$\n\
+            --------$\n\
+            $\n\
+            Uninstall via CLI (no GUI) from C:\${NAME}$\n\
+                > cmd /C START /WAIT Uninstall-${NAME}.exe /S /_?=C:\${NAME}$\n\
+            $\n\
+            Closing in 10s..."
+        # Give it some time so users can read it the pop-up console
+        # The pop-up console happens because the uninstaller copies itself to
+        # a temporary location, so we can't get the parent console handle
+        Sleep 10000
+        Abort
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/Q" $ARGV_QuietMode
+    ${IfNot} ${Errors}
+        StrCpy $QuietMode "1"
+    ${EndIf}
+{%- if uninstall_with_conda_exe %}
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveConfigFiles=" $ARGV_Uninst_RemoveConfigFiles
+    ${IfNot} ${Errors}
+        ${IfNot} ${UAC_IsAdmin}
+            ${If} $ARGV_Uninst_RemoveConfigFiles == "all"
+            ${OrIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+                MessageBox MB_ICONSTOP "Removing system .condarc files requires an elevated prompt."
+                Abort
+            ${EndIf}
+        ${EndIf}
+        ${If} $ARGV_Uninst_RemoveConfigFiles == "user"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "all"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${Else}
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveUserData=" $ARGV_Uninst_RemoveUserData
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveUserData = "1"
+            StrCpy $UninstRemoveUserData_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveUserData = "0"
+            StrCpy $UninstRemoveUserData_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveCaches=" $ARGV_Uninst_RemoveCaches
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveCaches = "1"
+            StrCpy $UninstRemoveCaches_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveCaches = "0"
+            StrCpy $UninstRemoveCaches_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+{%- endif %}
+!macroend
+
 Function un.onInit
+
+{%- if uninstall_with_conda_exe %}
+    Call un.UninstCustomOptions_InitDefaults
+{%- endif %}
+
     Push $0
     Push $1
     Push $2
@@ -727,6 +881,7 @@ Function un.onInit
     goto valid_dir
 
     invalid_dir:
+        ${Print} "::error:: $INSTDIR is not a valid conda directory. Please run the uninstaller from a conda directory."
         MessageBox MB_OK|MB_ICONSTOP \
             "Error: $INSTDIR is not a valid conda directory. Please run the uninstaller from a conda directory." \
             /SD IDABORT
@@ -735,7 +890,7 @@ Function un.onInit
 
     # Select the correct registry to look at, depending
     # on whether it's a 32-bit or 64-bit installer
-    SetRegView @BITS@
+    SetRegView {{ BITS }}
 
     # Since the switch to a dual-mode installer (All Users/Just Me), the
     # uninstaller will inherit the requested execution level of the main
@@ -848,7 +1003,7 @@ Pop $0
 Function OnDirectoryLeave
     ${LogSet} on
     ${If} ${IsNonEmptyDirectory} "$InstDir"
-        DetailPrint "::error:: Directory '$INSTDIR' is not empty, please choose a different location."
+        ${Print} "::error:: Directory '$INSTDIR' is not empty, please choose a different location."
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Directory '$INSTDIR' is not empty,$\n\
              please choose a different location." \
@@ -871,7 +1026,7 @@ Function OnDirectoryLeave
                 WriteRegDWORD HKLM "SYSTEM\CurrentControlSet\Control\FileSystem" "LongPathsEnabled" 1
             ; If we don't have admin right, we suggest a shorter path or suggest to run with admin right
             ${Else}
-                DetailPrint "::error:: The installation path should be shorter than 46 characters or \
+                ${Print} "::error:: The installation path should be shorter than 46 characters or \
                              the installation requires administrator rights to enable long \
                              path on Windows."
                 MessageBox MB_OK|MB_ICONSTOP "The installation path should be shorter than 46 characters or \
@@ -882,7 +1037,7 @@ Function OnDirectoryLeave
             ${EndIf}
         ; If we don't have admin right, we suggest a shorter path or suggest to run with admin right
         ${Else}
-            DetailPrint "::error:: The installation path should be shorter than 46 characters. \
+            ${Print} "::error:: The installation path should be shorter than 46 characters. \
                          Please choose another location."
             MessageBox MB_OK|MB_ICONSTOP "The installation path should be shorter than 46 characters. \
                                           Please choose another location." \
@@ -914,22 +1069,22 @@ Function OnDirectoryLeave
           StrCpy $R7 "$\n"
         ${EndIf}
         StrCpy $R8 "'Destination Folder' contains $R0 space$R1.$R7This can cause problems with several conda packages.$R7"
-#if check_path_spaces is True
+{%- if check_path_spaces %}
             StrCpy $R8 "$R8Please remove the space$R1 from the destination folder."
             StrCpy $R9 "Error"
-#else
+{%- else %}
             StrCpy $R8 "$R8Please consider removing the space$R1."
             StrCpy $R9 "Warning"
-#endif
+{%- endif %}
         # Show message box then take the user back to the Directory page.
         ${If} ${Silent}
-            DetailPrint "::$R9:: $R8"
+            ${Print} "::$R9:: $R8"
         ${Else}
             MessageBox MB_OK|MB_ICONINFORMATION "$R9: $R8" /SD IDOK
         ${EndIf}
-#if check_path_spaces is True
+{%- if check_path_spaces %}
             abort
-#endif
+{%- endif %}
     NoSpaces:
     Pop $R7
     Pop $R8
@@ -942,7 +1097,7 @@ Function OnDirectoryLeave
     Pop $R0
 
     StrCmp $R0 "" NoInvalidCharaceters
-        DetailPrint "::error:: 'Destination Folder' contains the following invalid character: $R0"
+        ${Print} "::error:: 'Destination Folder' contains the following invalid character: $R0"
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Error: 'Destination Folder' contains the following invalid character: $R0" \
             /SD IDOK
@@ -952,7 +1107,7 @@ Function OnDirectoryLeave
     UnicodePathTest::SpecialCharPathTest $INSTDIR
     Pop $R1
     StrCmp $R1 "nothingspecial" nothing_special_path
-        DetailPrint "::error:: 'Destination Folder' contains the following invalid character$R1"
+        ${Print} "::error:: 'Destination Folder' contains the following invalid character$R1"
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Error: 'Destination Folder' contains the following invalid character$R1" \
             /SD IDOK
@@ -970,7 +1125,7 @@ Function OnDirectoryLeave
       StrCmp ${PY_VER} "2.7" not_cp_acp_capable
       StrCmp $R1 "ascii_cp_acp" valid_path
       not_cp_acp_capable:
-          DetailPrint "::error:: Due to incompatibility with several \
+          ${Print} "::error:: Due to incompatibility with several \
               Python libraries, 'Destination Folder' cannot contain non-ascii characters \
               (special characters or diacritics).  Please choose another location."
           MessageBox MB_OK|MB_ICONEXCLAMATION "Error: Due to incompatibility with several \
@@ -985,7 +1140,7 @@ Function OnDirectoryLeave
     ${IsWritable} $INSTDIR $R1
     IntCmp $R1 0 pathgood
     Pop $R1
-    DetailPrint "::error: Path $INSTDIR is not writable. Please check permissions or \
+    ${Print} "::error: Path $INSTDIR is not writable. Please check permissions or \
                  try respawning the installer with elevated privileges."
     MessageBox MB_OK|MB_ICONEXCLAMATION \
         "Error: Path $INSTDIR is not writable. Please check permissions or \
@@ -1039,12 +1194,12 @@ FunctionEnd
             ${ElseIf} $1 == "NoLog"
                 nsExec::Exec $3
             ${Else}
-                DetailPrint "::error:: AbortRetryNSExecWait: 1st argument must be 'WithLog' or 'NoLog'. You used: $1"
+                ${Print} "::error:: AbortRetryNSExecWait: 1st argument must be 'WithLog' or 'NoLog'. You used: $1"
                 Abort
             ${EndIf}
             pop $0
             ${If} $0 != "0"
-                DetailPrint "::error:: $2"
+                ${Print} "::error:: $2"
                 MessageBox MB_ABORTRETRYIGNORE|MB_ICONEXCLAMATION|MB_DEFBUTTON3 \
                         $2 /SD IDIGNORE IDABORT abort IDRETRY retry
                 ; IDIGNORE: Continue anyway
@@ -1065,14 +1220,13 @@ FunctionEnd
 # Installer sections
 Section "Install"
     ${LogSet} on
-
     ${If} ${Silent}
         call OnDirectoryLeave
     ${EndIf}
 
     SetOutPath "$INSTDIR\Lib"
-    File "@NSIS_DIR@\_nsis.py"
-    File "@NSIS_DIR@\_system_path.py"
+    File "{{ NSIS_DIR }}\_nsis.py"
+    File "{{ NSIS_DIR }}\_system_path.py"
 
     # Resolve INSTDIR so that paths and registry keys do not contain '..' or similar strings.
     # $0 is empty if the directory doesn't exist, but the File commands should have created it already.
@@ -1083,6 +1237,17 @@ Section "Install"
     ${EndIf}
     StrCpy $INSTDIR $0
 
+{%- if has_license %}
+    SetOutPath "$INSTDIR"
+    File {{ licensefile }}
+    ${Print} "By continuing this installation you are accepting this license agreement:"
+    ${Print} "$INSTDIR\{{ LICENSEFILENAME }}"
+    ${Print} "Please run the installer in GUI mode to read the details.$\n"
+{%- endif %}
+
+    ${Print} "${NAME} will now be installed into this location:"
+    ${Print} "$INSTDIR$\n"
+
     ReadEnvStr $0 SystemRoot
     # set PATH for the installer process, so that MSVC runtimes get found OK
     #    This is also isolating PATH to be just us and Windows core stuff, which hopefully avoids
@@ -1090,16 +1255,22 @@ Section "Install"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("PATH", \
                  "$INSTDIR;$INSTDIR\Library\mingw-w64\bin;$INSTDIR\Library\usr\bin;$INSTDIR\Library\bin;$INSTDIR\Scripts;$INSTDIR\bin;$0;$0\system32;$0\system32\Wbem").r0'
 
+    ${Print} "Unpacking payload..."
+
     # A conda-meta\history file is required for a valid conda prefix
     SetOutPath "$INSTDIR\conda-meta"
-    File __CONDA_HISTORY__
+    File {{ conda_history }}
 
     SetOutPath "$INSTDIR"
-    File __CONDA_EXE__
-    File __PRE_UNINSTALL__
+    File {{ conda_exe }}
+    File {{ pre_uninstall }}
 
-    # Copy extra files (code generated on winexe.py)
-    @EXTRA_FILES@
+{%- for path, files in EXTRA_FILES | items %}
+    SetOutPath {{ path }}
+{%- for file in files %}
+    File {{ file }}
+{%- endfor %}
+{%- endfor %}
 
     ${If} $InstMode = ${JUST_ME}
         SetOutPath "$INSTDIR"
@@ -1108,20 +1279,26 @@ Section "Install"
     ${EndIf}
 
     SetOutPath "$INSTDIR\pkgs"
-    File __URLS_FILE__
-    File __URLS_TXT_FILE__
-#if pre_install_exists is True
-    File __PRE_INSTALL__
-#endif
-    File __POST_INSTALL__
-    File /nonfatal /r __INDEX_CACHE__
-    File /r __REPODATA_RECORD__
+    File {{ urls_file }}
+    File {{ urls_txt_file }}
+{%- if pre_install_exists %}
+    File {{ pre_install }}
+{%- endif %}
+    File {{ post_install }}
+    File /nonfatal /r {{ index_cache }}
+    File /r {{ repodata_record }}
 
-    @SCRIPT_ENV_VARIABLES@
+
+{%- for key, escaped_val in SCRIPT_ENV_VARIABLES | items %}
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("{{ key }}", {{ escaped_val }}).r0'
+{%- endfor %}
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SAFETY_CHECKS", "disabled").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_EXTRA_SAFETY_CHECKS", "no").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_ROOT_PREFIX", "$INSTDIR")".r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_PKGS_DIRS", "$INSTDIR\pkgs")".r0'
+    # Spinners in conda write a new character with each movement of the spinner.
+    # For long installation times, this may cause a buffer overflow, crashing the installer.
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_QUIET", "1")".r0'
     # Extra info for pre and post install scripts
     # NOTE: If more vars are added, make sure to update the examples/scripts tests too
     #       There's a similar block for the pre_uninstall script, further down this file.
@@ -1131,11 +1308,33 @@ Section "Install"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_VER", "${VERSION}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_PLAT", "${PLATFORM}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_TYPE", "EXE").r0'
+    ${If} ${Silent}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "1").r0'
+    ${Else}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "0").r0'
+    ${EndIf}
 
-    @PKG_COMMANDS@
+    ${If} '{{ VIRTUAL_SPECS }}' != ''
+    # We need to specify CONDA_SOLVER=classic for conda-standalone
+    # to work around this bug in conda-libmamba-solver:
+    # https://github.com/conda/conda-libmamba-solver/issues/480
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SOLVER", "classic").r0'
+    SetDetailsPrint TextOnly
+    ${Print} "Checking virtual specs compatibility: {{ VIRTUAL_SPECS_DEBUG }}"
+    push '"$INSTDIR\_conda.exe" create --dry-run --prefix "$INSTDIR\envs\_virtual_specs_checks" --offline {{ VIRTUAL_SPECS }} {{ NO_RCS_ARG }}'
+    push 'Failed to check virtual specs: {{ VIRTUAL_SPECS_DEBUG }}'
+    push 'WithLog'
+    call AbortRetryNSExecWait
+    SetDetailsPrint both
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SOLVER", "").r0'
+    ${EndIf}
+
+{%- for dist in DISTS %}
+    File {{ dist }}
+{%- endfor %}
 
     SetDetailsPrint TextOnly
-    DetailPrint "Setting up the package cache..."
+    ${Print} "Setting up the package cache..."
     push '"$INSTDIR\_conda.exe" constructor --prefix "$INSTDIR" --extract-conda-pkgs'
     push 'Failed to extract packages'
     push 'NoLog'
@@ -1145,7 +1344,7 @@ Section "Install"
     SetDetailsPrint both
 
     IfFileExists "$INSTDIR\pkgs\pre_install.bat" 0 NoPreInstall
-        DetailPrint "Running pre_install scripts..."
+        ${Print} "Running pre_install scripts..."
         ReadEnvStr $5 SystemRoot
         ReadEnvStr $6 windir
         # This 'FileExists' also returns True for directories
@@ -1162,22 +1361,66 @@ Section "Install"
         call AbortRetryNSExecWait
     NoPreInstall:
 
-    @SETUP_ENVS@
+{%- for env in SETUP_ENVS %}
+    {%- set channels = env.final_channels|join(",") %}
+    # Set up {{ env.name }} env
+    SetDetailsPrint both
+    ${Print} "Setting up the {{ env.name }} environment..."
+    SetDetailsPrint listonly
 
-    @WRITE_CONDARC@
+    # List of packages to install
+    SetOutPath "{{ env.env_txt_dir }}"
+    File "{{ env.env_txt_abspath }}"
 
-    AddSize @SIZE@
+    # A conda-meta\history file is required for a valid conda prefix
+    SetOutPath "{{ env.conda_meta }}"
+    File "{{ env.history_abspath }}"
 
-#if has_conda is True
-    DetailPrint "Initializing conda directories..."
+    # Set channels
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_CHANNELS", "{{ channels }}").r0'
+    # Set register_envs
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_REGISTER_ENVS", "{{ env.register_envs }}").r0'
+
+    # Run conda install
+    ${If} $Ana_CreateShortcuts_State = ${BST_CHECKED}
+        ${Print} "Installing packages for {{ env.name }}, creating shortcuts if necessary..."
+        push '"$INSTDIR\_conda.exe" install --offline -yp "{{ env.prefix }}" --file "{{ env.env_txt }}" {{ env.shortcuts }} {{ env.no_rcs_arg }}'
+    ${Else}
+        ${Print} "Installing packages for {{ env.name }}..."
+        push '"$INSTDIR\_conda.exe" install --offline -yp "{{ env.prefix }}" --file "{{ env.env_txt }}" --no-shortcuts {{ env.no_rcs_arg }}'
+    ${EndIf}
+    push 'Failed to link extracted packages to {{ env.prefix }}!'
+    push 'WithLog'
+    SetDetailsPrint listonly
+    call AbortRetryNSExecWait
+    SetDetailsPrint both
+
+    # Cleanup {{ env.name }} env.txt
+    SetOutPath "$INSTDIR"
+    Delete "{{ env.env_txt }}"
+
+    # Restore shipped conda-meta\history for remapped
+    # channels and retain only the first transaction
+    SetOutPath "{{ env.conda_meta }}"
+    File "{{ env.history_abspath }}"
+{%- endfor %}
+
+{%- for condarc in WRITE_CONDARC %}
+    {{ condarc }}
+{%- endfor %}
+
+    AddSize {{ SIZE }}
+
+{%- if has_conda %}
+    ${Print} "Initializing conda directories..."
     push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" mkdirs'
     push 'Failed to initialize conda directories'
     push 'WithLog'
     call AbortRetryNSExecWait
-#endif
+{%- endif %}
 
     ${If} $Ana_PostInstall_State = ${BST_CHECKED}
-        DetailPrint "Running post install..."
+        ${Print} "Running post install..."
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" post_install'
         push 'Failed to run post install script'
         push 'WithLog'
@@ -1185,17 +1428,17 @@ Section "Install"
     ${EndIf}
 
     ${If} $Ana_ClearPkgCache_State = ${BST_CHECKED}
-        DetailPrint "Clearing package cache..."
-        push '"$INSTDIR\_conda.exe" clean --all --yes'
+        ${Print} "Clearing package cache..."
+        push '"$INSTDIR\_conda.exe" clean --all --yes {{ NO_RCS_ARG }}'
         push 'Failed to clear package cache'
         push 'WithLog'
         call AbortRetryNSExecWait
     ${EndIf}
 
     ${If} $Ana_AddToPath_State = ${BST_CHECKED}
-        DetailPrint "Adding to PATH..."
+        ${Print} "Adding to PATH..."
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" addpath ${PYVERSION} ${NAME} ${VERSION} ${ARCH}'
-        push 'Failed to add @NAME@ to the system PATH'
+        push 'Failed to add {{ NAME }} to the system PATH'
         push 'WithLog'
         call AbortRetryNSExecWait
     ${EndIf}
@@ -1263,7 +1506,7 @@ Section "Install"
     #   BU - built-in (local) users
     #   DU - domain users
     ${If} ${UAC_IsAdmin}
-        DetailPrint "Setting installation directory permissions..."
+        ${Print} "Setting installation directory permissions..."
         AccessControl::DisableFileInheritance "$INSTDIR"
         AccessControl::RevokeOnFile "$INSTDIR" "(AU)" "GenericWrite"
         AccessControl::RevokeOnFile "$INSTDIR" "(DU)" "GenericWrite"
@@ -1271,11 +1514,12 @@ Section "Install"
         AccessControl::SetOnFile "$INSTDIR" "(BU)" "GenericRead + GenericExecute"
         AccessControl::SetOnFile "$INSTDIR" "(DU)" "GenericRead + GenericExecute"
     ${EndIf}
+    ${Print} "Done!"
 SectionEnd
 
 !macro AbortRetryNSExecWaitLibNsisCmd cmd
     SetDetailsPrint both
-    DetailPrint "Running ${cmd} scripts..."
+    ${Print} "Running ${cmd} scripts..."
     SetDetailsPrint listonly
     ${If} ${Silent}
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" ${cmd}'
@@ -1290,10 +1534,11 @@ SectionEnd
 
 Section "Uninstall"
     ${LogSet} on
+    ${If} ${Silent}
+        !insertmacro un.ParseCommandLineArgs
+    ${EndIf}
 
-    # Remove menu items, path entries
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_ROOT_PREFIX", "$INSTDIR")".r0'
-    @UNINSTALL_MENUS@
 
     # ensure that MSVC runtime DLLs are on PATH during uninstallation
     ReadEnvStr $0 PATH
@@ -1305,6 +1550,10 @@ Section "Uninstall"
     #   carefully.  More info at https://docs.conda.io/projects/conda/en/latest/user-guide/troubleshooting.html#solution
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_DLL_SEARCH_MODIFICATION_ENABLE", "1").r0'
 
+    # Spinners in conda write a new character with each movement of the spinner.
+    # For long installation times, this may cause a buffer overflow, crashing the installer.
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_QUIET", "1")".r0'
+
     # Read variables the uninstaller needs from the registry
     StrCpy $R0 "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
     StrLen $R1 "Uninstall-${NAME}.exe"
@@ -1337,17 +1586,75 @@ Section "Uninstall"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_VER", "$0").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_PLAT", "${PLATFORM}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_TYPE", "EXE").r0'
+    ${If} ${Silent}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "1").r0'
+    ${Else}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "0").r0'
+    ${EndIf}
 
+{%- if uninstall_with_conda_exe %}
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "pre_uninstall"
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmpath"
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmreg"
 
-    DetailPrint "Removing files and folders..."
+    # Parse arguments
+    StrCpy $R0 ""
+
+    ${If} $UninstRemoveConfigFiles_User_State == ${BST_CHECKED}
+    ${If} $UninstRemoveConfigFiles_System_State == ${BST_CHECKED}
+        StrCpy $R0 "$R0 --remove-config-files=all"
+    ${Else}
+        StrCpy $R0 "$R0 --remove-config-files=user"
+    ${EndIf}
+    ${ElseIf} $UninstRemoveConfigFiles_System_State == ${BST_CHECKED}
+        StrCpy $R0 "$R0 --remove-config-files=system"
+    ${EndIf}
+
+    ${If} $UninstRemoveUserData_State == ${BST_CHECKED}
+    StrCpy $R0 "$R0 --remove-user-data"
+    ${EndIf}
+
+    ${If} $UninstRemoveCaches_State == ${BST_CHECKED}
+    StrCpy $R0 "$R0 --remove-caches"
+    ${EndIf}
+
+    ${Print} "Removing files and folders..."
+    push '"$INSTDIR\_conda.exe" constructor uninstall $R0 --prefix "$INSTDIR"'
+    push 'Failed to remove files and folders. Please see the log for more information.'
+    push 'WithLog'
+    SetDetailsPrint listonly
+    call un.AbortRetryNSExecWait
+    SetDetailsPrint both
+
+    # The uninstallation may leave the install.log, the uninstaller,
+    # and .conda_trash files behind, so remove those manually.
+    ${If} ${FileExists} "$INSTDIR"
+        RMDir /r /REBOOTOK "$INSTDIR"
+    ${EndIf}
+{%- else %}
+{%- for env in SETUP_ENVS | reverse %}
+    {%- set subdir = ("\envs\%(name)s" | format(name=env.name)) if env.name != "base" else "" %}
+    SetDetailsPrint both
+    ${Print} "Deleting ${NAME} menus in {{ env.name }}..."
+    SetDetailsPrint listonly
+    push '"$INSTDIR\_conda.exe" constructor --prefix "$INSTDIR{{ subdir }}" --rm-menus'
+    push 'Failed to delete menus in {{ env.name }}'
+    push 'WithLog'
+    call un.AbortRetryNSExecWait
+    SetDetailsPrint both
+{%- endfor %}
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "pre_uninstall"
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmpath"
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmreg"
+
+    ${Print} "Removing files and folders..."
     nsExec::Exec 'cmd.exe /D /C RMDIR /Q /S "$INSTDIR"'
 
     # In case the last command fails, run the slow method to remove leftover
     RMDir /r /REBOOTOK "$INSTDIR"
 
+{%- endif %}
+
     # Delete user environment variables that we set during installation
     ${IfNot} ${UAC_IsAdmin}
         DeleteRegValue ${env_hkcu} "GR_PREFIX"
@@ -1377,12 +1684,20 @@ Section "Uninstall"
         IntOp $0 $0 + 1
         goto loop_py
     endloop_py:
+
+    ${Print} "Done!"
+    ${If} ${Silent}
+        # give it some time so users can read the last lines
+        ${Print} "Closing in 3s..."
+        Sleep 3000
+    ${EndIf}
+
 SectionEnd
 
-!if '@SIGNTOOL_COMMAND@' != ''
+!if '{{ SIGNTOOL_COMMAND }}' != ''
     # Signing for installer and uninstaller; nsis 3.08 required for uninstfinalize!
     # "= 0" comparison required to prevent both tasks running in parallel, which would cause signtool to fail
     # %1 is replaced by the installer and uninstaller paths, respectively
-    !finalize '@SIGNTOOL_COMMAND@ "%1"' = 0
-    !uninstfinalize '@SIGNTOOL_COMMAND@ "%1"' = 0
+    !finalize '{{ SIGNTOOL_COMMAND }} "%1"' = 0
+    !uninstfinalize '{{ SIGNTOOL_COMMAND }} "%1"' = 0
 !endif
diff --git a/constructor/nsis/main.nsi.tmpl.orig b/constructor/nsis/main.nsi.tmpl.orig
index 664e79b..030b4cc 100644
--- a/constructor/nsis/main.nsi.tmpl.orig
+++ b/constructor/nsis/main.nsi.tmpl.orig
@@ -1,15 +1,17 @@
 # Installer template file for creating a Windows installer using NSIS.
 
-# Dependencies:
-#   NSIS >=3.08      conda install "nsis>=3.08"  (includes extra unicode plugins)
+!if "${NSIS_PACKEDVERSION}" < 0x3008000
+  !error "NSIS 3.08 or higher is required to build this installer!"
+  # conda install "nsis>=3.08"  (includes extra unicode plugins)
+!endif
 
-Unicode "true"
+Unicode true
 
-#if enable_debugging is True
+{%- if enable_debugging %}
 # Special logging build needed for ENABLE_LOGGING
 # See https://nsis.sourceforge.io/Special_Builds
 !define ENABLE_LOGGING
-#endif
+{%- endif %}
 
 # Comes from https://nsis.sourceforge.io/Logging:Enable_Logs_Quickly
 !define LogSet "!insertmacro LogSetMacro"
@@ -26,6 +28,29 @@ Unicode "true"
   !endif
 !macroend
 
+var /global QuietMode # "0" = print normally, "1" = do not print
+var /global StdOutHandle
+var /global StdOutHandleSet
+!define Print "!insertmacro PrintMacro"
+!macro PrintMacro INPUT_TEXT
+  DetailPrint "${INPUT_TEXT}"
+  ${If} ${Silent}
+  ${AndIf} $QuietMode != "1"
+    ${IfNot} $StdOutHandleSet == "1"
+        System::Call 'kernel32::GetStdHandle(i -11)i.r0'
+        System::Call 'kernel32::AttachConsole(i -1)i.r1'
+        ${If} $0 = 0
+        ${OrIf} $1 = 0
+            System::Call 'kernel32::AllocConsole()'
+            System::Call 'kernel32::GetStdHandle(i -11)i.r0'
+        ${EndIf}
+        StrCpy $StdOutHandle $0
+        StrCpy $StdOutHandleSet "1"
+    ${EndIf}
+    FileWrite $StdOutHandle "${INPUT_TEXT}$\n"
+  ${EndIf}
+!macroend
+
 !include "WinMessages.nsh"
 !include "WordFunc.nsh"
 !include "LogicLib.nsh"
@@ -42,26 +67,30 @@ Unicode "true"
 
 !include "Utils.nsh"
 
-!define NAME __NAME__
-!define VERSION __VERSION__
-!define COMPANY __COMPANY__
-!define ARCH __ARCH__
-!define PLATFORM __PLATFORM__
-!define CONSTRUCTOR_VERSION __CONSTRUCTOR_VERSION__
-!define PY_VER __PY_VER__
-!define PYVERSION_JUSTDIGITS __PYVERSION_JUSTDIGITS__
-!define PYVERSION __PYVERSION__
-!define PYVERSION_MAJOR __PYVERSION_MAJOR__
-!define DEFAULT_PREFIX __DEFAULT_PREFIX__
-!define DEFAULT_PREFIX_DOMAIN_USER __DEFAULT_PREFIX_DOMAIN_USER__
-!define DEFAULT_PREFIX_ALL_USERS __DEFAULT_PREFIX_ALL_USERS__
-!define PRE_INSTALL_DESC __PRE_INSTALL_DESC__
-!define POST_INSTALL_DESC __POST_INSTALL_DESC__
-!define ENABLE_SHORTCUTS __ENABLE_SHORTCUTS__
-!define SHOW_REGISTER_PYTHON __SHOW_REGISTER_PYTHON__
-!define SHOW_ADD_TO_PATH __SHOW_ADD_TO_PATH__
+{%- if uninstall_with_conda_exe %}
+!include "StandaloneUninstallerOptions.nsh"
+{%- endif %}
+
+!define NAME {{ installer_name }}
+!define VERSION {{ installer_version }}
+!define COMPANY {{ company }}
+!define ARCH {{ arch }}
+!define PLATFORM {{ installer_platform }}
+!define CONSTRUCTOR_VERSION {{ constructor_version }}
+!define PY_VER {{ pyver_components[:2] | join(".") }}
+!define PYVERSION_JUSTDIGITS {{ pyver_components | join("") }}
+!define PYVERSION {{ pyver_components | join(".") }}
+!define PYVERSION_MAJOR {{ pyver_components[0] }}
+!define DEFAULT_PREFIX {{ default_prefix }}
+!define DEFAULT_PREFIX_DOMAIN_USER {{ default_prefix_domain_user }}
+!define DEFAULT_PREFIX_ALL_USERS {{ default_prefix_all_users }}
+!define PRE_INSTALL_DESC {{ pre_install_desc }}
+!define POST_INSTALL_DESC {{ post_install_desc }}
+!define ENABLE_SHORTCUTS {{ enable_shortcuts }}
+!define SHOW_REGISTER_PYTHON {{ show_register_python }}
+!define SHOW_ADD_TO_PATH {{ show_add_to_path }}
 !define PRODUCT_NAME "${NAME} ${VERSION} (${ARCH})"
-!define UNINSTALL_NAME "@UNINSTALL_NAME@"
+!define UNINSTALL_NAME "{{ UNINSTALL_NAME }}"
 !define UNINSTREG "SOFTWARE\Microsoft\Windows\CurrentVersion\
                    \Uninstall\${UNINSTALL_NAME}"
 
@@ -84,6 +113,12 @@ var /global ARGV_NoRegistry
 var /global ARGV_NoScripts
 var /global ARGV_NoShortcuts
 var /global ARGV_CheckPathLength
+var /global ARGV_QuietMode
+{%- if uninstall_with_conda_exe %}
+var /global ARGV_Uninst_RemoveConfigFiles
+var /global ARGV_Uninst_RemoveUserData
+var /global ARGV_Uninst_RemoveCaches
+{%- endif %}
 
 var /global IsDomainUser
 var /global CheckPathLength
@@ -104,7 +139,7 @@ CRCCheck On
 
 # Basic options
 Name "${PRODUCT_NAME}"
-OutFile __OUTFILE__
+OutFile {{ outfile }}
 ShowInstDetails "hide"
 ShowUninstDetails "hide"
 # This installer contains tar.bz2 files, which are already compressed
@@ -121,33 +156,33 @@ VIAddVersionKey "CompanyName" "${COMPANY}"
 VIAddVersionKey "LegalCopyright" "(c) ${COMPANY}"
 VIAddVersionKey "FileDescription" "${NAME} Installer"
 VIAddVersionKey "Comments" "Created by constructor ${CONSTRUCTOR_VERSION}"
-VIProductVersion __VIPV__
+VIProductVersion {{ vipv }}
 BrandingText /TRIMLEFT "${COMPANY}"
 
 # Interface configuration
-!define MUI_ICON __ICONFILE__
-!define MUI_UNICON __ICONFILE__
+!define MUI_ICON {{ iconfile }}
+!define MUI_UNICON {{ iconfile }}
 !define MUI_HEADERIMAGE
-!define MUI_HEADERIMAGE_BITMAP __HEADERIMAGE__
-!define MUI_HEADERIMAGE_UNBITMAP __HEADERIMAGE__
+!define MUI_HEADERIMAGE_BITMAP {{ headerimage }}
+!define MUI_HEADERIMAGE_UNBITMAP {{ headerimage }}
 !define MUI_ABORTWARNING
 !define MUI_FINISHPAGE_NOAUTOCLOSE
 !define MUI_UNFINISHPAGE_NOAUTOCLOSE
-!define MUI_WELCOMEFINISHPAGE_BITMAP __WELCOMEIMAGE__
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP __WELCOMEIMAGE__
+!define MUI_WELCOMEFINISHPAGE_BITMAP {{ welcomeimage }}
+!define MUI_UNWELCOMEFINISHPAGE_BITMAP {{ welcomeimage }}
 #!define MUI_CUSTOMFUNCTION_GUIINIT GuiInit
 
 # Pages
 #!define MUI_PAGE_CUSTOMFUNCTION_SHOW OnStartup
-#if custom_welcome
+{%- if custom_welcome %}
 # Custom welcome file(s)
-@CUSTOM_WELCOME_FILE@
-#else
+{{ CUSTOM_WELCOME_FILE }}
+{%- else %}
 !define MUI_PAGE_CUSTOMFUNCTION_PRE SkipPageIfUACInnerInstance
 !insertmacro MUI_PAGE_WELCOME
-#endif
+{%- endif %}
 !define MUI_PAGE_CUSTOMFUNCTION_PRE SkipPageIfUACInnerInstance
-!insertmacro MUI_PAGE_LICENSE __LICENSEFILE__
+!insertmacro MUI_PAGE_LICENSE {{ licensefile }}
 Page Custom InstModePage_Create InstModePage_Leave
 !define MUI_PAGE_CUSTOMFUNCTION_PRE DisableBackButtonIfUACInnerInstance
 !define MUI_PAGE_CUSTOMFUNCTION_LEAVE OnDirectoryLeave
@@ -155,23 +190,31 @@ Page Custom InstModePage_Create InstModePage_Leave
 # Custom options now differ depending on installation mode.
 Page Custom mui_AnaCustomOptions_Show
 !insertmacro MUI_PAGE_INSTFILES
-#if with_conclusion_text is True
-!define MUI_FINISHPAGE_TITLE __CONCLUSION_TITLE__
-!define MUI_FINISHPAGE_TITLE_3LINES
-!define MUI_FINISHPAGE_TEXT __CONCLUSION_TEXT__
-#endif
 
-#if custom_conclusion
+{%- for page in POST_INSTALL_PAGES %}
+{{ page }}
+{%- endfor %}
+
+{%- if with_conclusion_text %}
+!define MUI_FINISHPAGE_TITLE {{ conclusion_title }}
+!define MUI_FINISHPAGE_TITLE_3LINES
+!define MUI_FINISHPAGE_TEXT {{ conclusion_text }}
+{%- endif %}
+
+{%- if custom_conclusion %}
 # Custom conclusion file(s)
-@CUSTOM_CONCLUSION_FILE@
-#else
+{{ CUSTOM_CONCLUSION_FILE }}
+{%- else %}
 !insertmacro MUI_PAGE_FINISH
-#endif
+{%- endif %}
 
 
 !insertmacro MUI_UNPAGE_WELCOME
 !define MUI_PAGE_CUSTOMFUNCTION_LEAVE un.OnDirectoryLeave
 !insertmacro MUI_UNPAGE_CONFIRM
+{%- if uninstall_with_conda_exe %}
+UninstPage Custom un.UninstCustomOptions_Show
+{%- endif %}
 !insertmacro MUI_UNPAGE_INSTFILES
 !insertmacro MUI_UNPAGE_FINISH
 
@@ -224,35 +267,54 @@ FunctionEnd
     ${GetParameters} $ARGV
     ${GetOptions} $ARGV "/?" $ARGV_Help
     ${IfNot} ${Errors}
-        MessageBox MB_OK|MB_ICONEXCLAMATION \
-            "Usage: $EXEFILE [options]$\n\
-             Options:$\n$\n\
-                /InstallationType=AllUsers [default: JustMe]$\n$\n\
-                /AddToPath=[0|1] [default: 0]$\n$\n\
-#if keep_pkgs is True
-                /KeepPkgCache=[0|1] [default: 1]$\n$\n\
-#endif
-#if keep_pkgs is False
-                /KeepPkgCache=[0|1] [default: 0]$\n$\n\
-#endif
-                /RegisterPython=[0|1] [default: AllUsers: 1, JustMe: 0]$\n$\n\
-                /NoRegistry=[0|1] [default: AllUsers: 0, JustMe: 0]$\n$\n\
-                /NoScripts=[0|1] [default: 0]$\n$\n\
-                /NoShortcuts=[0|1] [default: 0]$\n$\n\
-                /CheckPathLength=[0|1] [default: 1]$\n$\n\
-            Examples:$\n\
+        SetSilent silent
+        ${Print} "\
+            Installs ${NAME} ${VERSION}$\n\
+            $\n\
+            USAGE$\n\
+            -----$\n\
+            $\n\
+            $EXEFILE [options]$\n\
+            $\n\
+            OPTIONS$\n\
+            -------$\n\
+            $\n\
+                /InstallationType=AllUsers [default: JustMe]$\n\
+                /AddToPath=[0|1] [default: 0]$\n\
+                /KeepPkgCache=[0|1] [default: {{ 1 if keep_pkgs else 0 }}]$\n\
+                /RegisterPython=[0|1] [default: AllUsers: 1, JustMe: 0]$\n\
+                /NoRegistry=[0|1] [default: AllUsers: 0, JustMe: 0]$\n\
+                /NoScripts=[0|1] [default: 0]$\n\
+                /NoShortcuts=[0|1] [default: 0]$\n\
+                /CheckPathLength=[0|1] [default: 1]$\n\
+                /? (show this help message)$\n\
+                /S (run in CLI/headless mode)$\n\
+                /Q (quiet mode, do not print output to console)$\n\
+                /D=[installation directory] (must be last parameter)$\n"
+        # There seems to be a limit to how many chars per ${Print} we can pass.
+        # The message will get truncated silently, no errors.
+        # That's why we split the help message in two calls.
+        ${Print} "\
+            EXAMPLES$\n\
+            --------$\n\
+                $\n\
                 Install for all users, but don't add to PATH env var:$\n\
-                    $EXEFILE /InstallationType=AllUsers$\n$\n\
+                    > $EXEFILE /InstallationType=AllUsers$\n\
+                $\n\
                 Install for just me, add to PATH and register as system Python:$\n\
-                    $EXEFILE /RegisterPython=1 /AddToPath=1$\n$\n\
+                    > $EXEFILE /RegisterPython=1 /AddToPath=1$\n\
+                $\n\
                 Install for just me, with no registry modification (for CI):$\n\
-                    $EXEFILE /NoRegistry=1$\n$\n\
+                    > $EXEFILE /NoRegistry=1$\n\
+                $\n\
+                Install via CLI (no GUI) into C:\${NAME}$\n\
+                    > cmd /C START /WAIT $EXEFILE /S /D=C:\${NAME}$\n\
+            $\n\
             NOTE: If you install for AllUsers, then the option to AddToPath$\n\
-                is disabled (i.e. if ./InstallationType=AllUsers, then$\n\
-                /AddToPath=1 will be ignored).$\n" \
-            /SD IDOK
-            Abort
-     ${EndIf}
+                is disabled (i.e. if /InstallationType=AllUsers, then$\n\
+                /AddToPath=1 will be ignored)."
+        Abort
+    ${EndIf}
 
     ClearErrors
     ${GetOptions} $ARGV "/InstallationType=" $ARGV_InstallationType
@@ -277,7 +339,7 @@ FunctionEnd
     ClearErrors
     ${GetOptions} $ARGV "/KeepPkgCache=" $ARGV_KeepPkgCache
     ${If} ${Errors}
-        StrCpy $ARGV_KeepPkgCache "@KEEP_PKGS@"
+        StrCpy $ARGV_KeepPkgCache "{{ 1 if keep_pkgs else 0 }}"
     ${EndIf}
 
     ClearErrors
@@ -320,6 +382,12 @@ FunctionEnd
         ${EndIf}
     ${EndIf}
 
+    ClearErrors
+    ${GetOptions} $ARGV "/Q" $ARGV_QuietMode
+    ${IfNot} ${Errors}
+        StrCpy $QuietMode "1"
+    ${EndIf}
+
 !macroend
 
 Function OnInit_Release
@@ -336,6 +404,7 @@ Function OnInit_Release
                 # To address CVE-2022-26526.
                 # In AllUsers install mode, do not allow AddToPath as an option.
                 MessageBox MB_OK|MB_ICONEXCLAMATION "/AddToPath=1 is disabled and ignored in 'All Users' installations" /SD IDOK
+                ${Print} "/AddToPath=1 is disabled and ignored in 'All Users' installations"
                 StrCpy $Ana_AddToPath_State ${BST_UNCHECKED}
             ${Else}
                 StrCpy $Ana_AddToPath_State ${BST_CHECKED}
@@ -488,13 +557,18 @@ Function .onInit
     Push $R2
 
     InitPluginsDir
-    @TEMP_EXTRA_FILES@
+{%- if TEMP_EXTRA_FILES | length != 0 %}
+    SetOutPath $PLUGINSDIR
+{%- for file in TEMP_EXTRA_FILES %}
+    File {{ file }}
+{%- endfor %}
+{%- endif %}
     !insertmacro ParseCommandLineArgs
 
     # Select the correct registry to look at, depending
     # on whether it's a 32-bit or 64-bit installer
-    SetRegView @BITS@
-#if win64
+    SetRegView {{ BITS }}
+{%- if win64 %}
     # If we're a 64-bit installer, make sure it's 64-bit Windows
     ${IfNot} ${RunningX64}
         MessageBox MB_OK|MB_ICONEXCLAMATION \
@@ -504,7 +578,7 @@ Function .onInit
             /SD IDOK
         Abort
     ${EndIf}
-#endif
+{%- endif %}
 
     !insertmacro UAC_PageElevation_OnInit
     ${If} ${UAC_IsInnerInstance}
@@ -607,9 +681,9 @@ Function .onInit
             ${IfNot} ${UAC_IsAdmin}
                 MessageBox MB_ICONSTOP "Installation for all users requires an elevated prompt."
                 Abort
-            ${EndIF}
-        ${EndIF}
-    ${EndIF}
+            ${EndIf}
+        ${EndIf}
+    ${EndIf}
 
     ; /D was not used, add default based on install type
     ${If} $InstDir == ""
@@ -630,47 +704,28 @@ Function .onInit
     Call mui_AnaCustomOptions_InitDefaults
     # Override custom options with explicitly given values from contruct.yaml.
     # If initialize_by_default (register_python_default) is None, do nothing.
-#if initialize_conda is True and initialize_by_default is True
+{%- if initialize_conda %}
+    {%- if initialize_by_default %}
     ${If} $InstMode == ${JUST_ME}
         StrCpy $Ana_AddToPath_State ${BST_CHECKED}
-    ${EndIF}
-#endif
-#if initialize_conda is True and initialize_by_default is False
+    ${EndIf}
+    {%- else %}
     StrCpy $Ana_AddToPath_State ${BST_UNCHECKED}
-#endif
-#if register_python is True and register_python_default is True
-    StrCpy $Ana_RegisterSystemPython_State ${BST_CHECKED}
-#endif
-#if register_python is True and register_python_default is False
-    StrCpy $Ana_RegisterSystemPython_State ${BST_UNCHECKED}
-#endif
-#if check_path_length is True
-    StrCpy $CheckPathLength "1"
-#endif
-#if check_path_length is False
-    StrCpy $CheckPathLength "0"
-#endif
-#if keep_pkgs is True
-    StrCpy $Ana_ClearPkgCache_State ${BST_UNCHECKED}
-#endif
-#if keep_pkgs is False
-    StrCpy $Ana_ClearPkgCache_State ${BST_CHECKED}
-#endif
-#if pre_install_exists is True
-    StrCpy $Ana_PreInstall_State ${BST_CHECKED}
-#endif
-#if pre_install_exists is False
-    StrCpy $Ana_PreInstall_State ${BST_UNCHECKED}
-#endif
-#if post_install_exists is True
-    StrCpy $Ana_PostInstall_State ${BST_CHECKED}
-#endif
-#if post_install_exists is False
-    StrCpy $Ana_PostInstall_State ${BST_UNCHECKED}
-#endif
+    {%- endif %}
+{%- endif %}
+
+{%- if register_python %}
+    StrCpy $Ana_RegisterSystemPython_State {{ '${BST_CHECKED}' if register_python_default else '${BST_UNCHECKED}' }}
+{%- endif %}
+    StrCpy $CheckPathLength "{{ 1 if check_path_length else 0 }}"
+    StrCpy $Ana_ClearPkgCache_State {{ '${BST_UNCHECKED}' if keep_pkgs else '${BST_CHECKED}' }}
+    StrCpy $Ana_PreInstall_State {{ '${BST_CHECKED}' if pre_install_exists else '${BST_UNCHECKED}' }}
+    StrCpy $Ana_PostInstall_State {{ '${BST_CHECKED}' if post_install_exists else '${BST_UNCHECKED}' }}
 
     Call OnInit_Release
 
+    ${Print} "Welcome to ${NAME} ${VERSION}$\n"
+
     Pop $R2
     Pop $R1
     Pop $2
@@ -678,7 +733,106 @@ Function .onInit
     Pop $0
 FunctionEnd
 
+!macro un.ParseCommandLineArgs
+    ClearErrors
+    ${GetParameters} $ARGV
+    ${GetOptions} $ARGV "/?" $ARGV_Help
+    ${IfNot} ${Errors}
+        SetSilent silent
+        ${Print} "\
+            Uninstalls ${NAME} ${VERSION}$\n\
+            $\n\
+            USAGE$\n\
+            -----$\n\
+            $\n\
+            Uninstall-${NAME}.exe [options]$\n\
+            $\n\
+            OPTIONS$\n\
+            -------$\n\
+            $\n\
+                /? (show this help message)$\n\
+                /S (run in CLI/headless mode)$\n\
+                /Q (quiet mode, do not print output to console)$\n\
+{%- if uninstall_with_conda_exe %}
+                /RemoveCaches=[0|1] [default: 0]$\n\
+                /RemoveConfigFiles=[none|users|system|all] [default: none]$\n\
+                /RemoveUserData=[0|1] [default: 0]$\n\
+{%- endif %}
+                /_?=[installation directory] (must be last parameter)$\n\
+            $\n\
+            EXAMPLES$\n\
+            --------$\n\
+            $\n\
+            Uninstall via CLI (no GUI) from C:\${NAME}$\n\
+                > cmd /C START /WAIT Uninstall-${NAME}.exe /S /_?=C:\${NAME}$\n\
+            $\n\
+            Closing in 10s..."
+        # Give it some time so users can read it the pop-up console
+        # The pop-up console happens because the uninstaller copies itself to
+        # a temporary location, so we can't get the parent console handle
+        Sleep 10000
+        Abort
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/Q" $ARGV_QuietMode
+    ${IfNot} ${Errors}
+        StrCpy $QuietMode "1"
+    ${EndIf}
+{%- if uninstall_with_conda_exe %}
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveConfigFiles=" $ARGV_Uninst_RemoveConfigFiles
+    ${IfNot} ${Errors}
+        ${IfNot} ${UAC_IsAdmin}
+            ${If} $ARGV_Uninst_RemoveConfigFiles == "all"
+            ${OrIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+                MessageBox MB_ICONSTOP "Removing system .condarc files requires an elevated prompt."
+                Abort
+            ${EndIf}
+        ${EndIf}
+        ${If} $ARGV_Uninst_RemoveConfigFiles == "user"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "system"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveConfigFiles == "all"
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_CHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_CHECKED}
+        ${Else}
+            StrCpy $UninstRemoveConfigFiles_User_State ${BST_UNCHECKED}
+            StrCpy $UninstRemoveConfigFiles_System_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveUserData=" $ARGV_Uninst_RemoveUserData
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveUserData = "1"
+            StrCpy $UninstRemoveUserData_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveUserData = "0"
+            StrCpy $UninstRemoveUserData_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+
+    ClearErrors
+    ${GetOptions} $ARGV "/RemoveCaches=" $ARGV_Uninst_RemoveCaches
+    ${IfNot} ${Errors}
+        ${If} $ARGV_Uninst_RemoveCaches = "1"
+            StrCpy $UninstRemoveCaches_State ${BST_CHECKED}
+        ${ElseIf} $ARGV_Uninst_RemoveCaches = "0"
+            StrCpy $UninstRemoveCaches_State ${BST_UNCHECKED}
+        ${EndIf}
+    ${EndIf}
+{%- endif %}
+!macroend
+
 Function un.onInit
+
+{%- if uninstall_with_conda_exe %}
+    Call un.UninstCustomOptions_InitDefaults
+{%- endif %}
+
     Push $0
     Push $1
     Push $2
@@ -727,6 +881,7 @@ Function un.onInit
     goto valid_dir
 
     invalid_dir:
+        ${Print} "::error:: $INSTDIR is not a valid conda directory. Please run the uninstaller from a conda directory."
         MessageBox MB_OK|MB_ICONSTOP \
             "Error: $INSTDIR is not a valid conda directory. Please run the uninstaller from a conda directory." \
             /SD IDABORT
@@ -735,7 +890,7 @@ Function un.onInit
 
     # Select the correct registry to look at, depending
     # on whether it's a 32-bit or 64-bit installer
-    SetRegView @BITS@
+    SetRegView {{ BITS }}
 
     # Since the switch to a dual-mode installer (All Users/Just Me), the
     # uninstaller will inherit the requested execution level of the main
@@ -848,7 +1003,7 @@ Pop $0
 Function OnDirectoryLeave
     ${LogSet} on
     ${If} ${IsNonEmptyDirectory} "$InstDir"
-        DetailPrint "::error:: Directory '$INSTDIR' is not empty, please choose a different location."
+        ${Print} "::error:: Directory '$INSTDIR' is not empty, please choose a different location."
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Directory '$INSTDIR' is not empty,$\n\
              please choose a different location." \
@@ -871,7 +1026,7 @@ Function OnDirectoryLeave
                 WriteRegDWORD HKLM "SYSTEM\CurrentControlSet\Control\FileSystem" "LongPathsEnabled" 1
             ; If we don't have admin right, we suggest a shorter path or suggest to run with admin right
             ${Else}
-                DetailPrint "::error:: The installation path should be shorter than 46 characters or \
+                ${Print} "::error:: The installation path should be shorter than 46 characters or \
                              the installation requires administrator rights to enable long \
                              path on Windows."
                 MessageBox MB_OK|MB_ICONSTOP "The installation path should be shorter than 46 characters or \
@@ -882,7 +1037,7 @@ Function OnDirectoryLeave
             ${EndIf}
         ; If we don't have admin right, we suggest a shorter path or suggest to run with admin right
         ${Else}
-            DetailPrint "::error:: The installation path should be shorter than 46 characters. \
+            ${Print} "::error:: The installation path should be shorter than 46 characters. \
                          Please choose another location."
             MessageBox MB_OK|MB_ICONSTOP "The installation path should be shorter than 46 characters. \
                                           Please choose another location." \
@@ -914,22 +1069,22 @@ Function OnDirectoryLeave
           StrCpy $R7 "$\n"
         ${EndIf}
         StrCpy $R8 "'Destination Folder' contains $R0 space$R1.$R7This can cause problems with several conda packages.$R7"
-#if check_path_spaces is True
+{%- if check_path_spaces %}
             StrCpy $R8 "$R8Please remove the space$R1 from the destination folder."
             StrCpy $R9 "Error"
-#else
+{%- else %}
             StrCpy $R8 "$R8Please consider removing the space$R1."
             StrCpy $R9 "Warning"
-#endif
+{%- endif %}
         # Show message box then take the user back to the Directory page.
         ${If} ${Silent}
-            DetailPrint "::$R9:: $R8"
+            ${Print} "::$R9:: $R8"
         ${Else}
             MessageBox MB_OK|MB_ICONINFORMATION "$R9: $R8" /SD IDOK
         ${EndIf}
-#if check_path_spaces is True
+{%- if check_path_spaces %}
             abort
-#endif
+{%- endif %}
     NoSpaces:
     Pop $R7
     Pop $R8
@@ -942,7 +1097,7 @@ Function OnDirectoryLeave
     Pop $R0
 
     StrCmp $R0 "" NoInvalidCharaceters
-        DetailPrint "::error:: 'Destination Folder' contains the following invalid character: $R0"
+        ${Print} "::error:: 'Destination Folder' contains the following invalid character: $R0"
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Error: 'Destination Folder' contains the following invalid character: $R0" \
             /SD IDOK
@@ -952,7 +1107,7 @@ Function OnDirectoryLeave
     UnicodePathTest::SpecialCharPathTest $INSTDIR
     Pop $R1
     StrCmp $R1 "nothingspecial" nothing_special_path
-        DetailPrint "::error:: 'Destination Folder' contains the following invalid character$R1"
+        ${Print} "::error:: 'Destination Folder' contains the following invalid character$R1"
         MessageBox MB_OK|MB_ICONEXCLAMATION \
             "Error: 'Destination Folder' contains the following invalid character$R1" \
             /SD IDOK
@@ -970,7 +1125,7 @@ Function OnDirectoryLeave
       StrCmp ${PY_VER} "2.7" not_cp_acp_capable
       StrCmp $R1 "ascii_cp_acp" valid_path
       not_cp_acp_capable:
-          DetailPrint "::error:: Due to incompatibility with several \
+          ${Print} "::error:: Due to incompatibility with several \
               Python libraries, 'Destination Folder' cannot contain non-ascii characters \
               (special characters or diacritics).  Please choose another location."
           MessageBox MB_OK|MB_ICONEXCLAMATION "Error: Due to incompatibility with several \
@@ -985,7 +1140,7 @@ Function OnDirectoryLeave
     ${IsWritable} $INSTDIR $R1
     IntCmp $R1 0 pathgood
     Pop $R1
-    DetailPrint "::error: Path $INSTDIR is not writable. Please check permissions or \
+    ${Print} "::error: Path $INSTDIR is not writable. Please check permissions or \
                  try respawning the installer with elevated privileges."
     MessageBox MB_OK|MB_ICONEXCLAMATION \
         "Error: Path $INSTDIR is not writable. Please check permissions or \
@@ -1039,12 +1194,12 @@ FunctionEnd
             ${ElseIf} $1 == "NoLog"
                 nsExec::Exec $3
             ${Else}
-                DetailPrint "::error:: AbortRetryNSExecWait: 1st argument must be 'WithLog' or 'NoLog'. You used: $1"
+                ${Print} "::error:: AbortRetryNSExecWait: 1st argument must be 'WithLog' or 'NoLog'. You used: $1"
                 Abort
             ${EndIf}
             pop $0
             ${If} $0 != "0"
-                DetailPrint "::error:: $2"
+                ${Print} "::error:: $2"
                 MessageBox MB_ABORTRETRYIGNORE|MB_ICONEXCLAMATION|MB_DEFBUTTON3 \
                         $2 /SD IDIGNORE IDABORT abort IDRETRY retry
                 ; IDIGNORE: Continue anyway
@@ -1065,14 +1220,13 @@ FunctionEnd
 # Installer sections
 Section "Install"
     ${LogSet} on
-
     ${If} ${Silent}
         call OnDirectoryLeave
     ${EndIf}
 
     SetOutPath "$INSTDIR\Lib"
-    File "@NSIS_DIR@\_nsis.py"
-    File "@NSIS_DIR@\_system_path.py"
+    File "{{ NSIS_DIR }}\_nsis.py"
+    File "{{ NSIS_DIR }}\_system_path.py"
 
     # Resolve INSTDIR so that paths and registry keys do not contain '..' or similar strings.
     # $0 is empty if the directory doesn't exist, but the File commands should have created it already.
@@ -1083,6 +1237,17 @@ Section "Install"
     ${EndIf}
     StrCpy $INSTDIR $0
 
+{%- if has_license %}
+    SetOutPath "$INSTDIR"
+    File {{ licensefile }}
+    ${Print} "By continuing this installation you are accepting this license agreement:"
+    ${Print} "$INSTDIR\{{ LICENSEFILENAME }}"
+    ${Print} "Please run the installer in GUI mode to read the details.$\n"
+{%- endif %}
+
+    ${Print} "${NAME} will now be installed into this location:"
+    ${Print} "$INSTDIR$\n"
+
     ReadEnvStr $0 SystemRoot
     # set PATH for the installer process, so that MSVC runtimes get found OK
     #    This is also isolating PATH to be just us and Windows core stuff, which hopefully avoids
@@ -1090,16 +1255,22 @@ Section "Install"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("PATH", \
                  "$INSTDIR;$INSTDIR\Library\mingw-w64\bin;$INSTDIR\Library\usr\bin;$INSTDIR\Library\bin;$INSTDIR\Scripts;$INSTDIR\bin;$0;$0\system32;$0\system32\Wbem").r0'
 
+    ${Print} "Unpacking payload..."
+
     # A conda-meta\history file is required for a valid conda prefix
     SetOutPath "$INSTDIR\conda-meta"
-    File __CONDA_HISTORY__
+    File {{ conda_history }}
 
     SetOutPath "$INSTDIR"
-    File __CONDA_EXE__
-    File __PRE_UNINSTALL__
+    File {{ conda_exe }}
+    File {{ pre_uninstall }}
 
-    # Copy extra files (code generated on winexe.py)
-    @EXTRA_FILES@
+{%- for path, files in EXTRA_FILES | items %}
+    SetOutPath {{ path }}
+{%- for file in files %}
+    File {{ file }}
+{%- endfor %}
+{%- endfor %}
 
     ${If} $InstMode = ${JUST_ME}
         SetOutPath "$INSTDIR"
@@ -1108,20 +1279,26 @@ Section "Install"
     ${EndIf}
 
     SetOutPath "$INSTDIR\pkgs"
-    File __URLS_FILE__
-    File __URLS_TXT_FILE__
-#if pre_install_exists is True
-    File __PRE_INSTALL__
-#endif
-    File __POST_INSTALL__
-    File /nonfatal /r __INDEX_CACHE__
-    File /r __REPODATA_RECORD__
+    File {{ urls_file }}
+    File {{ urls_txt_file }}
+{%- if pre_install_exists %}
+    File {{ pre_install }}
+{%- endif %}
+    File {{ post_install }}
+    File /nonfatal /r {{ index_cache }}
+    File /r {{ repodata_record }}
 
-    @SCRIPT_ENV_VARIABLES@
+
+{%- for key, escaped_val in SCRIPT_ENV_VARIABLES | items %}
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("{{ key }}", {{ escaped_val }}).r0'
+{%- endfor %}
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SAFETY_CHECKS", "disabled").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_EXTRA_SAFETY_CHECKS", "no").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_ROOT_PREFIX", "$INSTDIR")".r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_PKGS_DIRS", "$INSTDIR\pkgs")".r0'
+    # Spinners in conda write a new character with each movement of the spinner.
+    # For long installation times, this may cause a buffer overflow, crashing the installer.
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_QUIET", "1")".r0'
     # Extra info for pre and post install scripts
     # NOTE: If more vars are added, make sure to update the examples/scripts tests too
     #       There's a similar block for the pre_uninstall script, further down this file.
@@ -1131,11 +1308,33 @@ Section "Install"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_VER", "${VERSION}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_PLAT", "${PLATFORM}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_TYPE", "EXE").r0'
+    ${If} ${Silent}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "1").r0'
+    ${Else}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "0").r0'
+    ${EndIf}
 
-    @PKG_COMMANDS@
+    ${If} '{{ VIRTUAL_SPECS }}' != ''
+    # We need to specify CONDA_SOLVER=classic for conda-standalone
+    # to work around this bug in conda-libmamba-solver:
+    # https://github.com/conda/conda-libmamba-solver/issues/480
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SOLVER", "classic").r0'
+    SetDetailsPrint TextOnly
+    ${Print} "Checking virtual specs compatibility: {{ VIRTUAL_SPECS_DEBUG }}"
+    push '"$INSTDIR\_conda.exe" create --dry-run --prefix "$INSTDIR\envs\_virtual_specs_checks" --offline {{ VIRTUAL_SPECS }} {{ NO_RCS_ARG }}'
+    push 'Failed to check virtual specs: {{ VIRTUAL_SPECS_DEBUG }}'
+    push 'WithLog'
+    call AbortRetryNSExecWait
+    SetDetailsPrint both
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_SOLVER", "").r0'
+    ${EndIf}
+
+{%- for dist in DISTS %}
+    File {{ dist }}
+{%- endfor %}
 
     SetDetailsPrint TextOnly
-    DetailPrint "Setting up the package cache..."
+    ${Print} "Setting up the package cache..."
     push '"$INSTDIR\_conda.exe" constructor --prefix "$INSTDIR" --extract-conda-pkgs'
     push 'Failed to extract packages'
     push 'NoLog'
@@ -1145,7 +1344,7 @@ Section "Install"
     SetDetailsPrint both
 
     IfFileExists "$INSTDIR\pkgs\pre_install.bat" 0 NoPreInstall
-        DetailPrint "Running pre_install scripts..."
+        ${Print} "Running pre_install scripts..."
         ReadEnvStr $5 SystemRoot
         ReadEnvStr $6 windir
         # This 'FileExists' also returns True for directories
@@ -1162,22 +1361,66 @@ Section "Install"
         call AbortRetryNSExecWait
     NoPreInstall:
 
-    @SETUP_ENVS@
+{%- for env in SETUP_ENVS %}
+    {%- set channels = env.final_channels|join(",") %}
+    # Set up {{ env.name }} env
+    SetDetailsPrint both
+    ${Print} "Setting up the {{ env.name }} environment..."
+    SetDetailsPrint listonly
 
-    @WRITE_CONDARC@
+    # List of packages to install
+    SetOutPath "{{ env.env_txt_dir }}"
+    File "{{ env.env_txt_abspath }}"
 
-    AddSize @SIZE@
+    # A conda-meta\history file is required for a valid conda prefix
+    SetOutPath "{{ env.conda_meta }}"
+    File "{{ env.history_abspath }}"
 
-#if has_conda is True
-    DetailPrint "Initializing conda directories..."
+    # Set channels
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_CHANNELS", "{{ channels }}").r0'
+    # Set register_envs
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_REGISTER_ENVS", "{{ env.register_envs }}").r0'
+
+    # Run conda install
+    ${If} $Ana_CreateShortcuts_State = ${BST_CHECKED}
+        ${Print} "Installing packages for {{ env.name }}, creating shortcuts if necessary..."
+        push '"$INSTDIR\_conda.exe" install --offline -yp "{{ env.prefix }}" --file "{{ env.env_txt }}" {{ env.shortcuts }} {{ env.no_rcs_arg }}'
+    ${Else}
+        ${Print} "Installing packages for {{ env.name }}..."
+        push '"$INSTDIR\_conda.exe" install --offline -yp "{{ env.prefix }}" --file "{{ env.env_txt }}" --no-shortcuts {{ env.no_rcs_arg }}'
+    ${EndIf}
+    push 'Failed to link extracted packages to {{ env.prefix }}!'
+    push 'WithLog'
+    SetDetailsPrint listonly
+    call AbortRetryNSExecWait
+    SetDetailsPrint both
+
+    # Cleanup {{ env.name }} env.txt
+    SetOutPath "$INSTDIR"
+    Delete "{{ env.env_txt }}"
+
+    # Restore shipped conda-meta\history for remapped
+    # channels and retain only the first transaction
+    SetOutPath "{{ env.conda_meta }}"
+    File "{{ env.history_abspath }}"
+{%- endfor %}
+
+{%- for condarc in WRITE_CONDARC %}
+    {{ condarc }}
+{%- endfor %}
+
+    AddSize {{ SIZE }}
+
+{%- if has_conda %}
+    ${Print} "Initializing conda directories..."
     push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" mkdirs'
     push 'Failed to initialize conda directories'
     push 'WithLog'
     call AbortRetryNSExecWait
-#endif
+{%- endif %}
 
     ${If} $Ana_PostInstall_State = ${BST_CHECKED}
-        DetailPrint "Running post install..."
+        ${Print} "Running post install..."
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" post_install'
         push 'Failed to run post install script'
         push 'WithLog'
@@ -1185,17 +1428,17 @@ Section "Install"
     ${EndIf}
 
     ${If} $Ana_ClearPkgCache_State = ${BST_CHECKED}
-        DetailPrint "Clearing package cache..."
-        push '"$INSTDIR\_conda.exe" clean --all --force-pkgs-dirs --yes'
+        ${Print} "Clearing package cache..."
+        push '"$INSTDIR\_conda.exe" clean --all --force-pkgs-dirs --yes {{ NO_RCS_ARG }}'
         push 'Failed to clear package cache'
         push 'WithLog'
         call AbortRetryNSExecWait
     ${EndIf}
 
     ${If} $Ana_AddToPath_State = ${BST_CHECKED}
-        DetailPrint "Adding to PATH..."
+        ${Print} "Adding to PATH..."
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" addpath ${PYVERSION} ${NAME} ${VERSION} ${ARCH}'
-        push 'Failed to add @NAME@ to the system PATH'
+        push 'Failed to add {{ NAME }} to the system PATH'
         push 'WithLog'
         call AbortRetryNSExecWait
     ${EndIf}
@@ -1243,7 +1486,7 @@ Section "Install"
     #   BU - built-in (local) users
     #   DU - domain users
     ${If} ${UAC_IsAdmin}
-        DetailPrint "Setting installation directory permissions..."
+        ${Print} "Setting installation directory permissions..."
         AccessControl::DisableFileInheritance "$INSTDIR"
         AccessControl::RevokeOnFile "$INSTDIR" "(AU)" "GenericWrite"
         AccessControl::RevokeOnFile "$INSTDIR" "(DU)" "GenericWrite"
@@ -1251,11 +1494,12 @@ Section "Install"
         AccessControl::SetOnFile "$INSTDIR" "(BU)" "GenericRead + GenericExecute"
         AccessControl::SetOnFile "$INSTDIR" "(DU)" "GenericRead + GenericExecute"
     ${EndIf}
+    ${Print} "Done!"
 SectionEnd
 
 !macro AbortRetryNSExecWaitLibNsisCmd cmd
     SetDetailsPrint both
-    DetailPrint "Running ${cmd} scripts..."
+    ${Print} "Running ${cmd} scripts..."
     SetDetailsPrint listonly
     ${If} ${Silent}
         push '"$INSTDIR\pythonw.exe" -E -s "$INSTDIR\Lib\_nsis.py" ${cmd}'
@@ -1270,10 +1514,11 @@ SectionEnd
 
 Section "Uninstall"
     ${LogSet} on
+    ${If} ${Silent}
+        !insertmacro un.ParseCommandLineArgs
+    ${EndIf}
 
-    # Remove menu items, path entries
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_ROOT_PREFIX", "$INSTDIR")".r0'
-    @UNINSTALL_MENUS@
 
     # ensure that MSVC runtime DLLs are on PATH during uninstallation
     ReadEnvStr $0 PATH
@@ -1285,6 +1530,10 @@ Section "Uninstall"
     #   carefully.  More info at https://docs.conda.io/projects/conda/en/latest/user-guide/troubleshooting.html#solution
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_DLL_SEARCH_MODIFICATION_ENABLE", "1").r0'
 
+    # Spinners in conda write a new character with each movement of the spinner.
+    # For long installation times, this may cause a buffer overflow, crashing the installer.
+    System::Call 'kernel32::SetEnvironmentVariable(t,t)i("CONDA_QUIET", "1")".r0'
+
     # Read variables the uninstaller needs from the registry
     StrCpy $R0 "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
     StrLen $R1 "Uninstall-${NAME}.exe"
@@ -1317,17 +1566,75 @@ Section "Uninstall"
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_VER", "$0").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_PLAT", "${PLATFORM}").r0'
     System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_TYPE", "EXE").r0'
+    ${If} ${Silent}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "1").r0'
+    ${Else}
+        System::Call 'kernel32::SetEnvironmentVariable(t,t)i("INSTALLER_UNATTENDED", "0").r0'
+    ${EndIf}
 
+{%- if uninstall_with_conda_exe %}
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "pre_uninstall"
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmpath"
     !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmreg"
 
-    DetailPrint "Removing files and folders..."
+    # Parse arguments
+    StrCpy $R0 ""
+
+    ${If} $UninstRemoveConfigFiles_User_State == ${BST_CHECKED}
+    ${If} $UninstRemoveConfigFiles_System_State == ${BST_CHECKED}
+        StrCpy $R0 "$R0 --remove-config-files=all"
+    ${Else}
+        StrCpy $R0 "$R0 --remove-config-files=user"
+    ${EndIf}
+    ${ElseIf} $UninstRemoveConfigFiles_System_State == ${BST_CHECKED}
+        StrCpy $R0 "$R0 --remove-config-files=system"
+    ${EndIf}
+
+    ${If} $UninstRemoveUserData_State == ${BST_CHECKED}
+    StrCpy $R0 "$R0 --remove-user-data"
+    ${EndIf}
+
+    ${If} $UninstRemoveCaches_State == ${BST_CHECKED}
+    StrCpy $R0 "$R0 --remove-caches"
+    ${EndIf}
+
+    ${Print} "Removing files and folders..."
+    push '"$INSTDIR\_conda.exe" constructor uninstall $R0 --prefix "$INSTDIR"'
+    push 'Failed to remove files and folders. Please see the log for more information.'
+    push 'WithLog'
+    SetDetailsPrint listonly
+    call un.AbortRetryNSExecWait
+    SetDetailsPrint both
+
+    # The uninstallation may leave the install.log, the uninstaller,
+    # and .conda_trash files behind, so remove those manually.
+    ${If} ${FileExists} "$INSTDIR"
+        RMDir /r /REBOOTOK "$INSTDIR"
+    ${EndIf}
+{%- else %}
+{%- for env in SETUP_ENVS | reverse %}
+    {%- set subdir = ("\envs\%(name)s" | format(name=env.name)) if env.name != "base" else "" %}
+    SetDetailsPrint both
+    ${Print} "Deleting ${NAME} menus in {{ env.name }}..."
+    SetDetailsPrint listonly
+    push '"$INSTDIR\_conda.exe" constructor --prefix "$INSTDIR{{ subdir }}" --rm-menus'
+    push 'Failed to delete menus in {{ env.name }}'
+    push 'WithLog'
+    call un.AbortRetryNSExecWait
+    SetDetailsPrint both
+{%- endfor %}
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "pre_uninstall"
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmpath"
+    !insertmacro AbortRetryNSExecWaitLibNsisCmd "rmreg"
+
+    ${Print} "Removing files and folders..."
     nsExec::Exec 'cmd.exe /D /C RMDIR /Q /S "$INSTDIR"'
 
     # In case the last command fails, run the slow method to remove leftover
     RMDir /r /REBOOTOK "$INSTDIR"
 
+{%- endif %}
+
     ${If} $INSTALLER_NAME_FULL != ""
         DeleteRegKey SHCTX "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\$INSTALLER_NAME_FULL"
     ${EndIf}
@@ -1348,12 +1655,20 @@ Section "Uninstall"
         IntOp $0 $0 + 1
         goto loop_py
     endloop_py:
+
+    ${Print} "Done!"
+    ${If} ${Silent}
+        # give it some time so users can read the last lines
+        ${Print} "Closing in 3s..."
+        Sleep 3000
+    ${EndIf}
+
 SectionEnd
 
-!if '@SIGNTOOL_COMMAND@' != ''
+!if '{{ SIGNTOOL_COMMAND }}' != ''
     # Signing for installer and uninstaller; nsis 3.08 required for uninstfinalize!
     # "= 0" comparison required to prevent both tasks running in parallel, which would cause signtool to fail
     # %1 is replaced by the installer and uninstaller paths, respectively
-    !finalize '@SIGNTOOL_COMMAND@ "%1"' = 0
-    !uninstfinalize '@SIGNTOOL_COMMAND@ "%1"' = 0
+    !finalize '{{ SIGNTOOL_COMMAND }} "%1"' = 0
+    !uninstfinalize '{{ SIGNTOOL_COMMAND }} "%1"' = 0
 !endif
diff --git a/radioconda_installer.yaml b/radioconda_installer.yaml
index b9db522..0ddf11a 100644
--- a/radioconda_installer.yaml
+++ b/radioconda_installer.yaml
@@ -2,6 +2,7 @@ name: radioconda_installer
 category: installer
 channels:
   - conda-forge
+  - ryanvolz
 dependencies:
   - mamba
   - miniforge_console_shortcut # [win]