Restoring Windows 10/11 Pro Digital License, Microsoft Store Purchase

When reinstalling Windows on a computer that came with Windows 10/11 Home, but was upgraded to 10/11 Pro from the Microsoft Store, the installed OS will usually be Windows 10 Home. To upgrade back to Pro, simply reactivate using the following Microsoft Windows 10/11 Pro "generic key" of VK7JG-NPHTM-C97JM-9MPGT-3V66T.

Start
Settings
Update & Security
Activation
Change Product Key and paste in VK7JG-NPHTM-C97JM-9MPGT-3V66T

Reboot.