Do not look for "OpenGL 3.3 repacks" from third-party sites, as these often contain malware or crypto-miners. Instead, download the latest official drivers from your manufacturer: Official NVIDIA Driver Search . Select your GPU model and "Windows 7 64-bit". AMD Support Page
A “repack” of OpenGL doesn’t make technical sense — OpenGL isn’t a software package you repack. Any website offering an “OpenGL 3.3 repack” for Windows 7 is likely offering: opengl 33 download windows 7 64 bit repack
Many old Windows 7 PCs run Linux fast. Modern Linux open-source drivers (Mesa) support OpenGL 3.3 even on old Intel iGPUs that Windows 7 abandoned. Do not look for "OpenGL 3