How to use OptiFine is very easy, you can download it through the link below this article, then you can install it by double-clicking on the file. But your computer must have Java installed, in order for the files to be installed correctly. If you don’t have Java, you can download and install using this installer click here. Then once installed, you can open Launcher from Minecraft, then on the options tab next to the “PLAY” button select the version of OptiFine you want to use, then you can continue by clicking the “PLAY” button. And OptiFine will automatically be used when you play Minecraft. You can download OptiFine through the following link. Read more about Now.gg roblox for free access to Roblox games,5 Best Computer Peripherals All Gamers Must Have.