Your administrator or your organization will provide you with a security key if they require it for your work or school account. There are different types of security keys you can use, for example a USB key that you plug in to your device or an NFC key that you tap on an NFC reader.

Get help if you're having problems sending someone a digital Xbox game or subscription as a gift.

If your Office product key doesn't work, or has stopped working, you should contact the seller and request a refund. If you bought a product key separate from the software, it's very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

If Windows detects an internet connection, select Activate Windows online now. You might be asked for an admin password or to confirm your choice. Enter your Windows 7 product key when prompted, select Next, and then follow the instructions. Select Use the automated phone system. You may be asked for an admin password or to confirm your choice.

This page provides support links for home users and support phone numbers for business users.

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.

Activate Office Activate Windows Find your Windows product key Windows 11 system requirements Windows 10 end of support

If you already redeemed a product key, reinstalling the apps, or you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.