How to play 1.6.4 In 2024 In multimc/prismlauncher or any other fork without crashing!!

today i brought you another answer to these seemingless unknown questions BIG SHOUTOUT TO MINECRAFT MOD ARCHIVE ILY c333
what i did step by step:
1. download legacy java fixer
2. insert the java argument
does it work for older versions? Yes it does, you dont need the mod for the older versions just pase the argument
does it work for other launchers other than prism/MultiMc? i think so atlauncher worked check out my channel for atlauncher tutorial
mod:
www.curseforge...
java argument required:
-Dfml.ignoreInvalidMinecraftCertificates=true