We go over exactly how to get Optifine 1.21.4 from where to download Optifine to how to add OptiFine to Minecraft 1.21.4 and start using it for things like shaders, increased performance, and all of ...

To install shaders in "Minecraft: Java Edition," you'll first need to download a free program called OptiFine. Once OptiFine is installed, all you need to do is move the shader files into a specific ...