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. This article will help you …

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 …

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.

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 …

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can …

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 …

Use the Microsoft 365 activation troubleshooter to resolve Microsoft 365 subscription activation issues. Select the button below to start the activation troubleshooter.