How to redeem a Microsoft 365 or Office product key
Sign in to Office.com/setup with your Microsoft account. Enter the 25-character code, and then select Next.
How to redeem a Windows activation code
On your Windows PC, go to the Activation section of the Settings
app and select Change product key.
Problems redeeming a code?
If you're unable to redeem a code, check our self-help troubleshooting guidance below.
Need more help?
Learn how you can spend the money in your Microsoft account.
Learn how to redeem a gift card on an Xbox console.
Visit the Error & Status Code page to learn more about errors when you're redeeming an Xbox code.
See Microsoft gift card terms and conditions for more info about gift card refunds.
Contact Support
For pre-sales support, or issues with purchasing, contact Sales support.