Open SketchUp 2023. You should see a new toolbar called "V-Ray for SketchUp." If you don't:
We must address the elephant in the room: Why pay for V-Ray when there is Enscape (education) or D5 Render (free tier)? vray 6 for sketchup 2023 download
From Chaos’s download portal (login required for paid/student versions). Open SketchUp 2023