NVIDIA PhysX 9.26.904

NVIDIA PhysX: Real-Time Physics Middleware for Games and Simulation

NVIDIA PhysX is a physics middleware for simulating real-time physical interaction in interactive applications, primarily games. It provides runtime components and developer-facing technologies for collision detection, rigid and soft body dynamics, particle systems, and other physics-driven effects that add realism to virtual environments.

Core capabilities and functionality

PhysX implements deterministic components for rigid-body and soft-body simulation, articulated bodies, ragdoll mechanics, and particle-based effects. The middleware supplies runtime libraries and system software that integrate with game engines and applications to handle collision response, constraints, and dynamic interaction between objects. It is designed to work alongside rendering and AI systems to produce cohesive, physics-driven content.

Usability and deployment

The PhysX System Software package installs the 32-bit and 64-bit runtime files and registry entries that PhysX-enabled applications require. The installer makes runtime components available for CPU physics and, where supported, GPU-accelerated physics. The package is distributed as a standalone download that corresponds to the PhysX System Software bundled with NVIDIA GeForce drivers, which simplifies deployment for end users and integrators.

Platform support and compatibility

• Operating systems: The current release supports a broad range of Windows versions, from Windows XP and Vista through Windows 11, including Windows 11 ARM64.
• Hardware: GPU PhysX acceleration is supported on GeForce 100-series through 900-series, 1000-series through 4000-series, and 5000-series GPUs with at least 256MB of dedicated graphics memory. Support for 64-bit games and select 32-bit games on 5000-series GPUs applies to Blackwell and later GPUs.
• Versioning: The PhysX System Software is released separately from GPU drivers but is packaged to match the runtime bundled with specific NVIDIA driver releases, such as Release 615 GA1, to preserve compatibility.

Latest release highlights (version 9.26.0703)

Version 9.26.0703, released 2026-08-28, adds installation support for Windows 11 on ARM64 systems and updates the installer user interface. On supported ARM64 systems, the installer ensures that the required 32-bit and 64-bit PhysX runtime files and registry entries are installed correctly. The release keeps compatibility with existing PhysX applications and GPU PhysX configuration through the NVIDIA display driver control panel. The download is approximately 34.16 MB.

Practical applications

PhysX is typically used in real-time interactive projects where object interaction and dynamic response are required: consumer and indie games, simulation prototypes, and visual effects that rely on physics-based motion. Integration with game engines and toolchains enables developers to offload collision and dynamics calculations to the PhysX runtime while leveraging existing rendering, input, and AI subsystems.