Starting a SteamVR application
To start a SteamVR application or game, launch it either in Steam or using its own application executable. Do not start SteamVR manually, it will start automatically.
XR-4 Series
To use SteamVR (OpenVR) applications, you need to install SteamVR on your computer. SteamVR (OpenVR) applications can also be used with Varjo inside-out tracking.
XR-3
To use SteamVR (OpenVR) applications, you will need to set up SteamVR™ Tracking for your headset.