Activate Office - Microsoft Support
To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a …
Where to enter your Office product key - Microsoft Support
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 Office, or you can renew your Microsoft 365 subscription.
Get help with product key errors on Office.com/setup
Get help with product key errors, or geographical region errors, when you redeem a new Office product key on Office.com/setup.
Change your Office product key - Microsoft Support
How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..
Download, install, or reinstall Microsoft 365, Office 2024, or Office ...
If you need help activating Microsoft 365 or Office, see Activate Microsoft 365 or Office for Mac. If activation fails, see What to try if you can't install or activate Microsoft 365 or Office for Mac.
Using product keys with Office - Microsoft Support
Instead, for Microsoft 365, Office 2021, Office 2019 and Office 2016, you can view the Microsoft account that Office belongs to. This account takes the place of your product key and can be used to reinstall Office from the Microsoft account, Services & subscriptions page and to activate Office.
Unlicensed Product and activation errors in Office
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 Office, you'll need to fix the problem that's causing activation to fail.
Activation d’Office - Support Microsoft
Découvrez comment activer Office préinstallé sur de nouveaux PC Windows 10 ou à l’aide d’une nouvelle clé de produit.
Reactivate Microsoft 365 or Office - Microsoft Support
For Office 2021, 2019, or 2016 - Activate Office after reinstalling or installing on a different device.
Où entrer votre clé de produit Office ? - Support Microsoft
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 pouvez télécharger et installer Office ou renouveler votre abonnement Microsoft 365.