You must have a Secure Boot Debug Policy installed to boot non-signed operating systems on Surface RT.
Leo lunged for the power cord. But before he could pull it, the screen went black. Then white. Then a single line of green text, in the center of his monitor, his laptop, even his phone screen on the desk: windows 10 build 15035 media builder
Native support for many Windows 10 desktop features. You must have a Secure Boot Debug Policy
Preparing the environment to bypass the Surface RT's locked bootloader. in the center of his monitor