Make sure the current OptiFine release supports Forge! Then just use OptiFine like any other Forge mod. Make a new instance in MultiMC with the wanted version of Minecraft. Click Edit Instance - it ...
Install Fabric, then add Optifine along with https://www.curseforge.com/minecraft/mc-mods/optifabric as mods. Make a new instance in MultiMC with the wanted version ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results