What is Minecraft Optifine? Optifine 1.16.3-1.15.2 HD U G3 is actually described as a performance enhancement modification that doubles the Frames per Second (FPS). Link optifine download below… Minecraft optifine 1.7.2-1.16.4 is usually for the purposes of allowing for better customization. OptiFine is a mod with the main feature to upgrade graphics for Minecraft titles. […]