If you are trying to or match a specific look , I can help you find: The official compatibility list for older V-Ray versions.

Older workstations running 32-bit operating systems or ancient versions of 3ds Max (like versions 7, 8, or 9) require compatible plugins.

A comparison of that runs on older PCs.

Students of computer graphics often look at older versions to understand the fundamental math behind light transport before "Real-Time" rendering became the norm. The Risks of Using Cracked Software

Executable files provided in "cracks" often contain malware, trojans, or miners that can compromise your personal data or damage your hardware.