All current versions of Minecraft can be launched by MultiMC.Each instance has settings overrides that you can enable on top of the global settings. Fine control over Java settings and runtimes.MultiMC launcher is safe to use and very popular among players.

It also kills Minecraft easily if it crashes/freezes and has an easy installation of common mod loaders – Forge, Fabric, and LiteLoader (and likely more incoming). It drills into the details – see the logs, mods, and everything else easily and aims to stay predictable and do what you tell it to do.

MultiMC manages multiple isolated instances of Minecraft, keeping them clean. Through this launcher, one can open multiple versions of the game along with various mods installed. MultiMC is a specialized launcher created and developed by Petr Mrázek that opens multiple instances of the game.