The safest, recommended method is using the tool in an Admin Command Prompt to activate existing, hidden system packages. Run as Admin : Open Command Prompt as Administrator.
: Run the following two commands, pressing Enter after each to activate the client tools and extensions: programma gpedit msc skachat
FOR %F IN ("%SystemRoot%\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientTools-Package~*.mum") DO DISM /Online /NoRestart /Add-Package:"%F" The safest, recommended method is using the tool