I’m using MultiMC but I can’t resize the window because the game crashes or the mouse alignment messes up! Either doubleclick it or click “launch instance” to the right!

You should now see the modpack in the list.

Choose “install from zip” and select the zip file you downloaded from step 1.

Open multimc and click “add instance”.

Go to files → find the version you want and click on the name then click the Download button, not the install button.

Go to the modpack you want to install on curseforge, like.

Still doesn’t work? I recommend using multimc instead: Go to twitch preferences → minecraft and scroll down to java version. When you launch a modpack, the top of the window/name of the launcher should say “1.6.93” (1.6.91 is the version downloaded by twitch - this one has bugs on macOS) Clicking “Play” runs then crashes with something like 'Exception in thread “main” : class $AppClassLoader ': Make sure the new jar file is named exactly installer.jar.

Open this folder in file explorer or finder then go to /Install/game then replace the launcher.jar with. Go to twitch preferences → minecraft and take note of the minecraft path. If the jar launcher option is greyed out, continue with below: UPDATED METHOD: Go to Settings → Minecraft, and select the native launcher instead of the jar launcher. Playing Modpacks: Common Issues When I click play in the curseforge launcher, a window pops up but the play button is stuck on Loading: Originally posted in discord, I felt like it could have its own forum post instead.

Twitch minecraft jar launcher