To download and use the V-Ray 5.2 Material Library, you generally don't need a separate external download link. Starting with V-Ray 5, the library is included with the installer and managed via the V-Ray Asset Browser How to Download the Library
Additional Resources
When you first install V-Ray 5.2 for platforms like SketchUp, 3ds Max, Rhino, or Revit, the installer typically asks if you want to download the Material Library. Size: The library is approximately 8GB to 10GB. vray 5.2 material library download
Required Space: Ensure you have at least 8.5 GB of free disk space available. To download and use the V-Ray 5