Many employers and educational institutions provide Office 2021 or Microsoft 365 for free. Check:

: Many gists provide the public KMS key for Office 2021 (e.g., FXYTK-NJJ8C-GB6DW-3DYQT-6F7TH ) which is used to point an Office installation toward a licensing server.

Using a product key from GitHub or any other third-party source can pose significant risks to your computer and your data. Here are a few things to consider:

The script wasn’t a keygen — it was a credential stealer. The GitHub repo had used fake stars and fake commits to look trustworthy. The real payload installed a persistent backdoor.

: A PowerShell tool specifically for activating Office versions 2016 through 2024, maintained by tylerdotrar .