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.

In any Microsoft 365 app, select the app name (such as Word or PowerPoint) menu at the top of your screen. Close any open documents and restart all Microsoft 365 apps you may have …

Step 1: Start an Office app, like Word, Project, or Visio, depending on your purchase. Step 2: In the Sign in to set up Office window, select I don't want to sign in or create an account (it's a …

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 …

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

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.

After your Microsoft 365 installation is complete, you need to activate Microsoft 365. Be sure you're connected to the Internet and then open any Office application, such as Word or Excel.

Learn how to activate Word, Excel, PowerPoint and Outlook apps downloaded from the Mac App Store.

If you see a notice to buy, renew, or reactivate your Microsoft 365 subscription when you open Word, Excel, or any other Office application, you'll need to take action in order to keep using …