From download to launch in a few simple steps.
Follow the official instructions to install Prism Launcher for your operating system.
Generate a modpack on packcrafter.ai and download the resulting .mrpack file to your computer.
Use Prism Launcher’s import workflow to add your .mrpack and let it download the required mods.
How to Import a .mrpack in Prism
Select your new instance in Prism Launcher and press Launch. Enjoy your custom modpack!