How do you assign V-Ray as renderer in 3DS Max?

To assign V-Ray as the renderer in 3ds Max, go to the "Render Setup" dialog by clicking on the "Render" menu and selecting "Render Setup" or by pressing F10. In the "Render Setup" window, find the "Renderer" tab, then select "V-Ray" from the drop-down menu under the "Current Renderer" section. Finally, click "OK" to apply the changes, and V-Ray will be set as your rendering engine.