Key features of OpenGL 2.0 include:
OpenGL 2.0 was a landmark release in 2004. It introduced the , allowing developers to write custom shaders (small programs that run directly on the GPU). This unlocked real-time lighting, shadowing, and advanced visual effects.
If a website asks you to run an "OpenGL installer" that is less than 200 MB in size, it is almost certainly fake.
A: Yes. OpenGL is a royalty-free standard. You pay for hardware, not for the API.
Before searching for downloads, run a quick diagnosis to see what version of OpenGL your current system supports.