How can I get a free Microsoft product key?

Get Windows 10 Key for Free or Cheap in 2022

1. Get Free Windows 10 from Microsoft.
2. Get Windows 10 Through OnTheHub (For Educational Institutes)
3. Upgrade from Windows 7/8/8.1.
4. Get Windows 10 Key from Authentic Sources at a Cheaper Price.
5. Buy Windows 10 Key from Microsoft.
6. Windows 10 Volume Licensing.