Download a free, trusted utility called (by Realtech VR) or GPU-Z . Install and launch the application. Look for the OpenGL API Version or Core profile entry.
Complete Guide to OpenGL 3.1 for Windows 7 (64-Bit) OpenGL 3.1 is a critical graphics API standard required to run many classic PC games, design software, and emulators. Unlike standard software programs, you cannot download OpenGL 3.1 as a standalone installer. Instead, OpenGL is built directly into your graphics card drivers. Opengl 3.1 Download Windows 7 64 Bit
Visit the NVIDIA Driver Downloads page. Select your product series, choose Windows 7 64-bit , and download the WHQL driver. Download a free, trusted utility called (by Realtech