I was also a little confused as I had never used Oculus Link with my Quest 2 before yesterday. It seems OpenXR is bundled with the Oculus app already so no need to install separately.
All I had to do is:
- Download the Oculus software:
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In the Oculus software go to Settings > Beta and then enable “Public Test Channel” (this supposedly resolves a display issue)
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Restart PC (this is important as OpenXR didn’t exist in the Windows registry before this and might have been the main reason it wasn’t working for me initially)
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Ensure Oculus app is running and that you’ve connected to Oculus Link via the message that pops up on the headset
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After starting the game go to control settings and for the keyboard setup search for “VR” and ensure that all the key binds are set.
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Then just use whichever key bind is set to activate/de-activate VR and you’re all set; the game should appear on your Quest.