Many repacks claim to "unlock" OpenGL 3.3 on ancient hardware. If your graphics card physically lacks the architecture to support OpenGL 3.3, no software patch or repack can change that fact. How to Safely Get OpenGL 3.3 on Windows 7 64-Bit
Download the latest driver for your specific card and operating system from the official manufacturer websites: opengl 33 download windows 7 64 bit repack
Because your CPU is doing the work of a graphics card, performance will be incredibly slow. Games will likely be unplayable, but basic 3D modeling apps might work. Many repacks claim to "unlock" OpenGL 3