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  1. Download the script.
  2. Place it into the folder containing old V-Ray materials.
  3. Double click on the script to run it. It will automatically upgrade all materials in the current folder as well as those in its sub-folders.
  4. As soon as the upgrade process is finished, a file named VRMatUpgrade.log will appear in the same folder. There you can find information about the upgrade status of each material.  

In case you experience any troubles while upgrading your materials, do not hesitate to contact Chaos Group Support.

Download Old Material Library