You don’t need to open SteamVR at this time.
Once you’ve got the cable, follow these instructions. If your computer doesn’t have a USB Type-C port, you can opt for a less expensive $27 Modal 10-foot cable that’ll plug into the USB Type-A 3.1 ports on your PC. The $80 Oculus Link cable will offer the highest quality experience and is officially recommended by Oculus. To get started, all you’ll need is a USB Type-C cable to plug your Oculus Quest into your computer. First, the wired experience is unbelievably easy to set up and, second, you’ll be getting the highest quality video and audio quality with a wire.
Wired is the best way to go right now for two main reasons.