Where to find your product key depends on how you got your copy of Windows:

PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX Without one of these, you won't be able to activate your device.Ī Windows product key is a 25-character code used to activate Windows. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation that doesn't require you to enter a product key. First, Locate or Find your Windows product key (for Windows 10 or Windows 11)ĭepending on how you got your copy of Windows 10 or Windows 11 (OEM, Retail, or volume license), you'll need either a 25-character product key or a digital license to activate it. If you want to take advantage of tools like BitLocker for disk encryption and Assigned Access for locking user accounts or to connect to a Windows domain, you may want to upgrade to Windows 10 Home to Pro. While Windows 10 Home already comes with a suite of extra features compared to Windows 8.1, including the digital voice assistant Cortana and Virtual Desktops, Windows 10 Pro offers greater connectivity and privacy tools.

Windows anytime upgrade key