Hello, I’m Virginia, I have 20 years of expertise in fixing my own & friends’ PC problems.
Sorry to hear you’re experiencing problems.
Did you try downloading the media creation tool & deselecting ‘use the current pc settings? This should allow you to choose Pro.
The ei.cfg file should’ve worked:
Create a “ei.cfg” file containing the following text:
[EditionID]
Professional
[Channel]
Retail
Save the ei.cfg file to the \Sources folder on your Windows 11 installation media (USB flash drive).
If your Pro key is OEM then change [Channel] from retail to OEM.