Need help? Open the launcher, go to Local Version Editor, then right click anywhere and click Open Versions Folder Make sure Minecraft is fully closed before starting! Shorter, recommended for the average computer user. Start the launcher, edit the profile you made, and choose the newly listed version.
Make sure the name still matches up with everything else!ġ0. Either mod your jar file, or replace it with your already modded jar file. Be sure that it's still inside of quotation marks. This should also be the name of the folder, jar, and json. On the second line, change the ID to the name of the version. Windows users: I highly recommend using Notepad++! I do not recommend using Notepad for this!Ĩ. Rename all files under that folder to the same name as the folder, but be sure not to change their extension.įor example, if the folder was changed from 1.2.5 to 1.2.5 Mods, then change the files from 1.2.5.jar and 1.2.5.json to 1.2.5 Mods.jar and 1.2.5 Mods.json. Change the name to what you want the new version/modded version to be called.Ħ. Make a copy of the version you chose in New Profile. Right click anywhere, and click Open Versions Folder.ĥ. Go to the Local Version Editor tab on the launcher.Ĥ. If this version has already been downloaded, skip this step.ģ. Download/Start Minecraft with this new version. For example, if you have a modded version of 1.2.5, create a profile for 1.2.5.Ģ. Create a new profile (click: New Profile) with the original version of Minecraft corresponding to your custom jar file. Longer, but recommended for the less-geeky.ġ. Well here you go: a step-by-step tutorial.
#MINECRAFT JAR LAUNCHER HOW TO#
Wondering how to use your own jar files (ex.