Online: When you begin activation, Windows will try to use your internet connection to activate online. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. LessĪctivation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. Windows 7 Windows 8.1 Windows 10 Windows 11 More.