Perfect, worked like a charm.
I've followed your steps and managed to install Windows 10 Pro from USB.
I had to create two disk first.
Primary was manual with my USB Key Location / ID with vdisk BUS as USB.
Secondary with 60GB and vdisk BUS as IDE.
I wanted to test and quickly get windows 10 on Unraid. I was straggling with getting my other nas or usb to be mounted to copy my iso's over. Hence why I've chosen this method.
For some reason, Secondary vdisk 60GB set as Sata or VirtIO won't work and Windows 10 was asking for the