Installation problem with Microsoft Store Win10 - Question

Defines I use:cmd> Commoand lineadm> Commoand line as AdministratorPS> Powershell as Administrator> means: "to next menu point" or next what is following--> means: the result from above["text"] is a button or tab of the windows dialog or App window Program = an *.exe Windows Program from C:\Program Files or C:\Program Files x86App = a Windows Store App from C:\Program Files\WindowsAppsshort: I user with admin group privilege want to install a App from the Windows Store, like WhatsUp of "The backgammon". Click [Install] > Downloading > Installation > "License get ac