opengl64.dll is a dynamic link library (DLL) associated with the OpenGL graphics API. In a legitimate Windows environment, the system-wide file is usually named opengl32.dll (located in C:\Windows\System32 ), even on 64-bit systems.
regsvr32 opengl64.dll
for both 32-bit and 64-bit applications鈥攊t is just stored in different folders. A "patched" version is typically a modified driver file meant to bypass hardware limitations on older PCs. Stack Overflow Important Security Warning opengl64dll patched
> Who are you?
When a game (like Minecraft with shaders, Doom 3, or older source engine games) calls an OpenGL function, Windows loads opengl64.dll into memory. This DLL acts as a translator鈥攖urning generic OpenGL commands into specific instructions your NVIDIA or AMD driver understands. opengl64
