I use the same configuration so I’ll share my experience with setup which might help. I first had to uninstall the Visual C++ 2015 x64 runtime before Oculus Home would install properly (it includes 1.3.0 runtime), and then I allowed unknown apps in the settings. I have to manually launch Oculus Home before UE4, and it will put me in the white room with the message, but sometimes it appears 90 degrees to my left, or directly behind me. Also sometimes it won’t activate the sensor so I have to unplug it and plug it back in. After that it works fine.