Optifine is a Minecraft Java mod that can improve visuals and boost FPS (Image via Optifine) Minecraft has a high degree of customization thanks to the many modifications available. Many mods for the ...

Then, select “Open With” and “Java”. if you don’t have Java or the Java file doesn’t work, you will need to download Java 21. This is required for Minecraft 1.21.4 mods like OptiFine.