Also Intels Atom used by many tablets from the Windows 8 days has 32 bit EFI limiting Windows to only be 32bit. For example - Dell Venue 8 Pro, Lenovo Miix and

Also Intels Atom used by many tablets from the Windows 8 days has 32 bit EFI limiting Windows to only be 32bit. For example - Dell Venue 8 Pro, Lenovo Miix and many others