NVIDIA has released the following WHQL certified drivers for use with Windows Vista RTM that will enable you to test the basic features and capabilities of the new operating system. NVIDIA is committed to supporting Microsoft Windows Vista on current and previous GPU generations. It's important to us that you have an excellent experience through the Vista transition, and driver development is the highest priority in our company.
These NVIDIA Windows Vista drivers are under development. This version is not fully optimized for full 3D performance and may not include all available features available on different operating systems. NVIDIA, along with the industry, is continuing to update its Windows Vista drivers to ensure maximum performance on 3D applications and add support for features. These drivers are provided "AS IS." NVIDIA MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHATSOEVER AS TO MERCHANTABILITY, COMPATIBILITY, PERFORMANCE, APPLICATION OR FUNCTION, AND DISCLAIMS ALL SUCH WARRANTIES TO THE FULLEST EXTENT ALLOWED BY LAW.

Official, WHQL Certified Drivers for nVIDIA GeForce 6,7,8 series graphics cards, for Windows XP/ 2000/ Windows XP Media Center Edition OS.
nVIDIA ForceWare Drivers has the following other editions available: nVIDIA ForceWare Drivers for Windows 9x/Me, nVIDIA ForceWare Drivers for Windows NT, nVIDIA ForceWare Drivers for Windows Vista (32-bit), nVIDIA ForceWare Drivers for Windows XP/2003 (64-bit), nVIDIA ForceWare Drivers for Windows XP Media Center and nVIDIA ForceWare Drivers for Windows Vista (64-bit).

All Downloads for Windows Vista 32-bit from nVidia:

All Downloads for Windows Vista 64-bit from nVidia:

All Downloads for Windows XP/ Media Center Edition:

All Downloads for Windows XP x64, Server 2003 x64: