What is Windows 10 Activation Error 0xC004F212?
The product key used on this device didn’t work with this edition of Windows.
When you reinstall Windows 10 using a digital license, you’re asked to choose which edition to install. If you choose an edition other than the one you’re licensed to use, you may receive this error. For example, you activated Windows 10 Pro, but you reinstall Windows 10 Home, so your Windows 10 can’t activate.
How to fix it?
1. You can buy new Windows 10 product key
To purchase a new Windows license, you go Start > Settings > Update & Security > Activation , and then you select Go to Microsoft Store.
Open Activation settings
2. You reinstall right Windows 10 edition
If you activated Windows 10 Pro before, you reinstall Windows 10 Pro, not Windows 10 Home.