The Khronos™ Group, today announced OpenGL® 3.2, the third major update in twelve months to the most widely adopted 2D and 3D graphics API (application programming interface) for personal computers and workstations. This new release continues the rapid evolution of the OpenGL standard to enable graphics developers to portably access cutting-edge GPU functionality across diverse operating systems and platforms. Full details on the Khronos announcement can be found here: http://www.khronos.org/news/press/releases/khronos-releases-opengl-3.2-third-major-opengl-release-within-twelve-months/.
NVIDIA continues its tradition of releasing drivers on the same day as the Khronos announcement. You can find OpenGL 3.2 drivers from NVIDIA, including OpenGL drivers for Windows 7, here: http://developer.nvidia.com/object/opengl_3_driver.html