In windows seacrh bar type powershell.
Right click on powershell and select run as administrator.
Copy/paste to powershell
get-appxpackage Microsoft.GamingServices | remove-AppxPackage -allusers
(right click to paste into powershell window)
and press enter
Copy/paste to powershell
start ms-windows-store://pdp/?productid=9MWPM2CQNLHN
(right click to paste into powershell window)
and press enter