Hi, I tryied Demo version and then I bought XP11 and install last beta version in order to use VR. I installed SteamVR, but checkbox for VR is always disabled.Exist but I can't check it.
My hardware spec are:
windows 10 pro
intel I5 6600, 8 gb ramm ,ssd andGeForce GTX 750 Ti StormX OC (2048MB GDDR5)