How to install and run OptiFine in 'Minecraft' without mods 1. In a web browser of your choice, navigate to the OptiFine downloads page.

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.

OptiFine is a versatile program that many "Minecraft" players can't imagine going without, particularly when playing on a less capable computer. It's a "Minecraft: Java Edition" optimizer, allowing ...