Microsoft has quietly shut down the last official way to activate Windows by phone, a change that lands hardest on people who work and travel in places where a stable internet connection is never ...

Phone activation for Windows has been discontinued. You'll have to use an online portal to activate Windows. The portal requires a Microsoft or business account. Microsoft has typically offered a few ...

Microsoft has officially retired the traditional phone-based activation system for Windows and Office that served as a reliable fallback for users for over two decades. Indeed, the "slui 4" command ...