To install driver needed for USBdirect to work
http://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_devices/how-do-i-disable-driver-signature-enforcement-win/a53ec7ca-bdd3-4f39-a3af-3bd92336d248?auth=1
Boot options menu may be skipped in case of UEFI BIOS.
To avoid it legacy boot need to be enable with legacy USB support for keyboard (it may not work otherwise).