Install-Dot-Net-3.5-from-Command-Line.bat

@echo off
rem
rem Install .NET 3.5 on Windows 8-11, and Server 2012-2025
rem
rem Based on batch file from:
rem https://www.majorgeeks.com/files/details/install_the_microsoft_net_framework_3_5_offline_in_windows_10.html
rem
rem Updated and expanded by Matthew Borcherding
rem [email protected]
rem 08-15-2025

   Title .NET Framework 3.5 Installer

   setlocal

   rem
   rem Check all drives (B through Z) for \sources\install.wim.
   rem If found, use this as the source to install .NET 3.5
   rem

   for %%I in (B C D E F G H I J K L M N O P Q R S T U V W X Y Z) do if exist "%%I:\\sources\install.wim" set setupdrv=%%I

   if defined setupdrv goto setupdrv-found

   :no-setupdrv
      echo No installation media found!
      echo Attempting to download and install from Microsoft instead...
      echo.

      reg add "HKLM\software\Microsoft\Windows\CurrentVersion\Policies\Servicing" /v RepairContentServerSource /t REG_DWORD /d 00000002 /f

      echo Restarting Windows Update...

      net stop "Windows Update"
      net start "Windows Update"

      echo Installing .NET Framework 3.5.  This can take a while...
      echo.

      DISM /Online /Enable-Feature /FeatureName:NetFx3 /All
      echo.
      goto end


    :setupdrv-found
       echo Found Windows installation source on drive %setupdrv%...
       echo.
       echo Installing .NET Framework 3.5.  This can take a while...
       echo.

       Dism /online /enable-feature /featurename:NetFX3 /All /Source:%setupdrv%:\sources\sxs /LimitAccess




:end
   echo.
   echo .NET Framework 3.5 should now be installed.
   echo.

   pause