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 ...

Microsoft has seemingly disabled phone call activation for Windows 11, and perhaps older versions as well, making it impossible to activate Windows without an Internet connection. This is an unwelcome ...

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 officially ended telephone activation for Windows on December 3, 2025, requiring users to activate through an online portal instead. PCWorld notes discrepancies between Microsoft’s actions ...