Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

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

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

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. If you're unable to activate Windows …

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Sélectionnez votre version de Microsoft 365 ci-dessous pour savoir comment activer Microsoft 365.

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

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 …

Alternatively, if you have successfully installed Microsoft 365 or Office on your computer, but need help with activating or reactivating it, please go to: For Microsoft 365 - Activate Office.