: Press Windows Key + R , type dxdiag , and go to the Display tab to identify your graphics card (GPU).
This guide explains exactly how to get OpenGL 4.4 running on Windows 7, check your current version, and troubleshoot common issues.
To enable on Windows 7 64-bit , you must update your graphics card drivers, as OpenGL is not a standalone software you download like a standard application. How to Enable OpenGL 4.4 on Windows 7