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.

As long as you have Minecraft: Java Edition updated to version 1.21.1, downloading and installing Optifine 1.21.1 should be an incredibly easy process that should only take a few moments. From ...

Minecraft OptiFine 1.21.3 will officially be released soon, but the preview versions of the performance mod already have all the features a player needs.