use this tool..its for 11 even if it is in 10 thread https://forums.mydigitallife.net/th...-ltsc-2021-into-classic-legacy-windows.86552/
Oh crap. I had renamed the files previously for use with W10UI. I should have left the original files and just copied them to a suitable name for W10UI. Sometimes you just can't see the trees for the forest.