4. Boot X98 Pro to Windows
5. Insert your USB with OTG and follow this instruction http://www.thewindowsclub.com/access-uefi-firmware-settings-windows-8-1

6. Go to UEFI firmware settings and touch [reboot].
7. It will automatically boot to Android 6.0 or CM13 that you downloaded.
8. Select boot option. ( I only tested Live mode that was on number 1 )
——————bug————–
Touch screen inverted upside down.
Wi-Fi not working
—
I think that issue would go to the different way if you took number 3 (installation).
but I don’t want to lose Windows 10. so I didn’t test it.
Please test it and tell me how it works.