Get-ChildItem -Path "C:\Windows\servicing\Packages\*" |
Where-Object{($_.Name -like "Microsoft-Windows-GroupPolicy-ClientExtensions-Package~3*.mum")`
-or ($_.Name -like "Microsoft-Windows-GroupPolicy-ClientTools-Package~3*.mum")} |
foreach {dism.exe /online /norestart /add-package:$_}