NVIDIA PhysX System Software
Our software library provides a free download of NVIDIA PhysX System Software 9.16.318. Our antivirus check shows that this download is malware free. The file size of the latest installer available is 32.6 MB. The actual developer of the free program is NVIDIA Corporation. The software lies within System Utilities, more precisely Device Assistants.
From the developer:
Includes the latest PhysX runtime builds to support all released PhysX content including Dark Void and others. Supports NVIDIA PhysX acceleration on all GeForce 8-series, 9-series, 100-series, 200-series, and 300-series GPUs with a minimum of 256MB dedicated graphics memory and 32 CUDA cores. Note: Some applications may have higher minimum requirements.
You may want to check out more software, such as NVIDIA PhysX SDK, AGEIA PhysX or NVIDIA PhysX Plug-in for Autodesk Maya bit, which might be related to NVIDIA PhysX System Software.