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

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. For Microsoft 365 …

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 download and install …

If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of …

Si l’Assistant Activation s’affiche, Microsoft 365 a besoin de votre aide pour s’activer. Suivez les invites de l’Assistant Activation de Microsoft 365.

Use your Microsoft account , not your product key, to install and activate Office and individually purchased Microsoft 365 apps, such as Project, Visio, Word, Excel, and Outlook.

Si votre achat d’Office incluait une clé de produit ou Microsoft 365, vous devez entrer votre clé de produit sur l’un des sites web listés ci-dessous pour votre produit. Après avoir saisi votre clé, vous …

If you keep getting prompted to activate Office Standard or Office Professional Plus on a new PC, you can update the registry to stop the prompts.

How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..

Using Copilot in Excel helps you create and understand formulas, analyze your data for insights, and more. You can also use Copilot to import data from outside of Excel.