...
You should already have either an Oculus Rift, HTC Vive, or Valve Index headset. If you are using an Oculus Quest 2, with Airlink, please follow the instructions HERE
If you have never used your headset before, please take the time to run through the headset setup procedure, including any additional tutorials that begin on startup.
You should have your headset plugged in and initialized, so Steam VR is running, and Oculus Home is running for Oculus users.
...