REM DOWNGRADE FROM 11 TO 10
REM PASS 1
FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*11.*.mum /c “cmd /c ECHO Uninstalling package @fname && start /w pkgmgr /up:@fname /quiet /norestart”
REM PASS 2
wusa /uninstall /kb:2841134 /quiet /norestart
REM DOWNGRADE FROM 10 TO 9
REM PASS 1
FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*10.*.mum /c “cmd /c ECHO Uninstalling package @fname && start /w pkgmgr /up:@fname /quiet /norestart”
REM PASS 2
wusa /uninstall /kb:2718695 /quiet /norestart
