NET Framework offline installer.bat

@echo off
 Title .NET Framework 3.5 Offline Installer
 for %%I in (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.*" set setupdrv=%%I
 if defined setupdrv (
 echo Found drive %setupdrv%
 echo Installing .NET Framework 3.5...
 Dism /online /enable-feature /featurename:NetFX3 /All /Source:%setupdrv%:\sources\sxs /LimitAccess
 echo.
 echo .NET Framework 3.5 should be installed
 echo.
 ) else (
 echo No installation media found!
 echo Insert DVD or USB flash drive and run this file once again.
 echo.
 )
 pause