Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which …

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. This article will help you …

Find your product key to activate WindowsA product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the …

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

If you see a Let's get started screen with options to try, buy, or activate Microsoft 365, this means that Microsoft 365 is installed on your new PC as a 1-month trial of Microsoft 365 Family. You …

You can also try our guided support in your browser to help with activation issues. I thought this device included Microsoft 365 or a non-subscription version of Office.

If you follow the transfer terms in the Software License Terms, you can move Office to a different computer, but you must activate it by phone and then uninstall Office from the original …

If you're not activated, complete the activation process with the steps you see on the Activation page. If you experience an error while activating, see Get help with Windows activation errors.