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

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 two methods to which you can activate your …

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 troubleshoot and fix common …

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

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

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.

Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.

The Microsoft 365 activation troubleshooter runs on Windows PCs and can help you identify and fix activation issues with Microsoft 365. Select the button below to start the Microsoft 365 activation …

When you select the option to activate Office by telephone, you may see the following error: Telephone activation is no longer supported for your product.

Au lieu d’appeler le numéro, visitez le portail d’activation de produit et utilisez les informations de cet écran pour terminer votre tentative d’activation. Si un support assisté est nécessaire pour examiner …