Have you tried this?
https://www.easyuefi.com/windows-to-go-upgrader/resource/upgrade-windows-to-go-by-changing-registry-key.html
Step 1. Start windows from the USB drive.
Step 2. SRun regedit.exe as administrator.
Step 3. SNavigate to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control" and...
