Minimum: 1 GB
Recommended: 4 GB+
* Note that complex models or large texture maps may require additional memory.
Required for product activation, software updates and access to on line manuals and tutorial videos.
Mac OS 10.11 though 10.15.
64 bit editions of Windows 10, Windows 8 and Windows 7.
A video card that supports OpenGL version 3.2 or later is required. For best results, a video card with a minimum benchmark score of ~1500 is recommended, and for larger files, ~3500 or better is preferred. See this link for details: Video Card Benchmarks