Microsoft Office Guide

How to activate a Microsoft Office 365 Key?

Visit https://setup.office.com/ sign in to your MS account and redeem the key.

How to activate a Microsoft Office 2021 Key?

Note: The product key is tied to your motherboard! You cannot transfer the license to a different device! Please notice, that making significant hardware changes such as CPU or motherboard alterations may affect the activation status.

  1. Download the official installation package from Microsoft’s authorized Content Delivery Network (CDN) from here: http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/media/en-us/ProPlus2021Retail.img
  2. Proceed with the installation of the software.
  3. Upon completion of the installation process, input the activation key.
  4. Congratulations! You now possess a fully operational instance of Microsoft Office 2021.

If activation via the internet doesn’t work, try using the ‘Activate by Phone’ option.