How To Join The Server Download minecraft 1.21.1 for neoforge modpack download Once the .zip file is downloaded, extract the files, and drag the files into your mods folder Now search for the file %appdata% on your taskbar search Once this is open, navigate to roaming-> .minecraft-> (your mod loader)_mod-> neoforge-> 1.21.1-> (whatever you named the installation) That’s it. Now you can start up minecraft Last step is to let the host know your minecraft username and ask for the serverIP