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This is a beta driver for GeForce 6, 7, 8, 9, 100, and 200-series desktop GPUs and ION desktop GPUs.

New in Version 191.03

Adds support for OpenGL 3.2 for GeForce 8, 9, 100, and 200-series GPUs and ION GPUs.
Accelerates performance in several gaming applications. The following are examples of improvements measured with version 191.03 drivers vs. version 190.62 drivers (results will vary depending on your GPU, system configuration, and game settings):
Up to 12% performance increase in ARMA 2
Up to 8% performance increase in Batman: Arkham Asylum with GPU PhysX enabled
Up to 50% performance increase in Call of Juarez: Blood in Bound with SLI enabled
Up to 14% performance increase in Fallout 3 (indoor scenes) with antialiasing enabled
Up to 10% performance increase in Far Cry 2 (DX9 version) with antialiasing enabled
Up to 34% performance increase in Prototype with antialiasing enabled

Adds SLI support for Darkfall, Dawn of Magic 2: Time of Shadows, Dreamkiller, Fuel, Majesty 2: The Fantasy Kingdom Sim, Need for Speed: Shift and more.
Includes numerous bug fixes, including the following key fix (additional bug fixes can be found in the release notes on the documentation tab): For graphics cards supporting multiple clock states, 3D clocks correctly return to 2D clocks after exiting a 3D application.
Users without US English operating systems can select their language and download the International driver here.

New in Release 190/191 Drivers

Installs PhysX System Software version 9.09.0814.
Supports CUDA 2.3 for improved performance in GPU Computing applications. See CUDA Zone for more details.

Existing Support:

Supports single GPU and NVIDIA SLI technology* on DirectX 9 and OpenGL.
Supports NVIDIA PhysX acceleration on a dedicated GeForce graphics card. Use one card for graphics and dedicate a different card for PhysX processing for game-changing physical effects. Learn more here.
Supports GeForce Plus Power Pack #3. Download these FREE PhysX and CUDA applications now!
Supports GPU overclocking and temperature monitoring by installing NVIDIA System Tools software.

*Note: The following SLI features are only supported on Windows Vista and Windows 7: Quad SLI technology using GeForce 9800 GX2 or GeForce GTX 295, 3-way SLI technology, Hybrid SLI, and SLI multi-monitor support.