This tutorial will show you how to turn on or off activate a window by hovering over it with the mouse pointer for your account in Windows 7, Windows 8, or Windows 10. If you try to activate Windows 10 on another PC with this same retail product key, you may have to activate by phone if online activation fails. This tutorial will show you how to uninstall the product key on a PC to deactivate Windows 10.

Understanding the Context