Intel HD Graphics Driver v2792 for Win7 and Win8
Intel has published a new graphics driver for HD Graphics 3000/2000 (Sandy Bridge) and HD Graphics 4000/2500 (Ivy Bridge) GPUs. This driver is available for Windows 7 and Windows 8.
v2792 is an OpenGL 4.0 driver (GL_VERSION = “4.0.0 – Build 126.96.36.19992″) and exposes 146 OpenGL extensions (GL=130 and WGL=16) like the v2770.
Source: Geeks3D forum