You may have bad ISO image files.. The latest is Windows 10 21H2 is out there. you can go Microsoft website download Media creation for Windows 10 (Home/Pro) 21H2 and can do ISO or USB flash drive.. ATGPUD2003
@(\_/)^(\_/) He has already said that he uses an unknown version of the Lite OS made by craftsmen, in other words, it's the skin of a dead animal.
try to deploy install wim directly using dism | diskpart plus dont forgot to bcdedit or else if you dont know how | then use murphy tool here for this see if it works for you. Try it first as a VM to cross check if it works according to your needs.