Yes, but only through NVIDIA or AMD legacy drivers. Windows 7 support ended January 2023, so get driver version 472.12 (NVIDIA) or similar.
Assume you have an offline computer (PC B) and a connected computer (PC A) to fetch the driver.
After reboot: Run the OpenGL Extensions Viewer again. It should now report OpenGL 4.6. opengl 46 download new offline installer
A: No universal link exists. The correct link depends on your GPU. Use the manufacturer’s detection tool on a connected PC to generate the right URL, then copy the file.
Yes – GLSL version 4.60 is bundled within the specification. No separate download needed. Yes, but only through NVIDIA or AMD legacy drivers
If you need OpenGL 4.6 headers and libraries for coding (not runtime), download the official OpenGL SDK or use GLAD or GLFW offline packages:
Download the latest GPU driver (offline installer available for each): After reboot: Run the OpenGL Extensions Viewer again
If you need the OpenGL SDK / development libraries (for programming):