You can boot usb from UEFI. The only tool that I found is best to handle is Rufus. I used it to clean install my Windows through UEFI. Even Linux Live USB works. BalenaEtcher gives me problems, Rufus does it well for me.
Also I remember there is a setting in UEFI to allow booting from USB.
Also I remember there is a setting in UEFI to allow booting from USB.