In 3ds Max
- Go to Render Setup > Settings > Reset Settings
- Then click on Reset
In 3ds Max, it is also possible to reset the Numeric Parameters to their defaults by right-clicking on the parameter or by "Ctrl" and right-clicking on the spinner icon.
In older 3ds Max versions, this was done by right-clicking on the spinner icon.
In Maya
- Open the Render Settings window
- Click on the Presets dropdown menu
- Select Import Render Settings
- Choose Default Settings
In SketchUp / Rhino
- Open the V-Ray Asset Editor
- Navigate to the V-Ray Settings
- Click Revert to Default Render Settings button
In Revit
- Open the V-Ray Settings menu.
- Select the Paths & Sharing submenu.
- In the Settings rollout, select the Default display mode.
- Select the changed values.
- Click on the Reset button.
In Cinema4D
- Open the Render Settings window.
- Click on the Render Settings.
- Select New.
In Houdini
- Click on the Gear dropout menu in the V-Ray Renderer ROP parameters window.
- Select Revert to factory defaults.
In Blender
- Right-click on each individual parameter.
- Select Reset to Default Value to revert to the original settings.
In Unreal Engine
- Оpen V-Ray settings.
- Click on the arrow next to each parameter or setting.
In Nuke
- Select the VRayRender node.
- Right-click on the Load Node presets.
- Select Set knobs to default.