Page History
...
V-Ray installer will automatically uninstall any previous versions. Uninstalling V-Ray from SketchUp does not uninstall the License Server or V-Ray Swarm. Those can be uninstalled separately , if needed.
Windows
...
If you need to manually uninstall V-Ray, make sure that SketchUp or V-Ray components are not being used. Go to Windows Start > Control Panel > Programs and Features or Start > All Programs > Chaos Group > V-Ray for SketchUp 20XX > Uninstall V-Ray for SketchUp.
...
If you need to manually uninstall V-Ray, make sure that the SketchUp application is closed. Double-click the Uninstaller.app program, which is normally located in /Applications/ChaosGroup/V-Ray/V-Ray Next for Sketchup/uninstall.
This will start the V-Ray uninstaller. Follow the on-screen instructions to remove V-Ray from your system and restore any files overwritten by the installation.