"ATTN: When upgrading from an older version, it is best to first delete the SteamVR folder in your project, and then import the new package. You'll also want to regenerate actions from the SteamVR Input window.
Valve maintains this Unity plugin to smoothly interface with SteamVR. With SteamVR developers can target one API that all the popular PC VR headsets can connect to. The modern SteamVR Unity Plugin manages three main things for developers: loading 3d models for VR controllers, handling input from those controllers, and estimating what your hand looks like while using those controllers. On top of managing those things we have an example Interaction System to help get your VR application off the ground. Providing concrete examples of interacting with the virtual world and our APIs.
Requires installing the SteamVR runtime via Steam to use.