Activate Office - Microsoft Support
网页Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a …
Where to enter your Office product key - Microsoft Support
网页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.
Activation d’Office - Support Microsoft
网页Découvrez comment activer Office préinstallé sur de nouveaux PC Windows 10 ou à l’aide d’une nouvelle clé de produit.
Download and install or reinstall Microsoft 365 or Office 2021 on a …
网页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.
Activate Office after reinstalling or installing on a different device
网页Activate Office after reinstalling or installing on a different device. Office Home & Business, Office Home & Student, and Office Professional can be installed on a single computer.
Office 2021 and Office LTSC for Windows and Mac FAQ
网页You can activate Office 2021 over an internet connection, and you may need to periodically connect to confirm the license associated with the licensed device. You should also connect to the Internet regularly to keep your version of Office up …
Download and install or reinstall Office 2019, Office 2016, or Office ...
网页Office might activate automatically. However, depending on your product you might see the Microsoft Office Activation Wizard. If so, follow the prompts to activate Microsoft 365 . If you need activation help, see Activate Office.
Unlicensed Product and activation errors in Office
网页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.
Activate Office for Mac - Microsoft Support
网页This article provides step-by-step instructions on how to activate Office for Mac. If you're running into errors or issues with installing or activating Office on your Mac, see What to try if you can't install or activate Office for Mac instead.
What's new in Office 2021 - Microsoft Support
网页Office 2021 gives you new ways to create compelling content, manage data, and communicate with others. This article provides an overview of the new features you can discover.