Force Windows 10 to ask the edition on clean installation

Source
If you try to do a clean install of Windows 10 in an UEFI machine, it will read the UEFI key and install the most basic Windows, i.e., Windows 10 Home.
You can force it to ask the Edition (Home or Pro) putting a simple text file ei.cfg inside the ISO in \Sources folder with just two lines:

[Channel] Retail