In a standard Windows installation (10 or 11), the legitimate opengl64.dll is found in:
A (often colloquially named, as the official Windows file is actually opengl32.dll regardless of bitness) is a modified dynamic link library used to bypass hardware limitations, fix compatibility issues in legacy software, or enable features not supported by default system drivers. Core Purpose and Use Cases opengl64dll patched
To help me tailor advice for your specific situation, tell me: What are you trying to run? What is the exact error message you are seeing? What graphics card (GPU) does your computer use? In a standard Windows installation (10 or 11),
: Helping older games run on modern operating systems or newer graphics cards by redirecting function calls. fix compatibility issues in legacy software