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Adding custom mods to modpacks

Updated January 30, 2026
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To add mods to your instance, follow the specific steps for your launcher below. Simply drag your desired .jar file(s) into the identified folder.

ATLauncher (Click to expand)
  1. Open ATLauncher and navigate to the Instances tab on the right.
  2. Find your modpack and click the Open Folder button.
  3. Locate and open the mods folder.
  4. Drop your .jar files here.
CurseForge App (Click to expand)
  1. Open the CurseForge App and go to My Modpacks.
  2. Right-click on your modpack profile.
  3. Select Open Folder.
  4. Locate and open the mods folder.
  5. Drop your .jar files here.
Prism Launcher / MultiMC (Click to expand)
  1. Open the launcher and select your instance.
  2. Click Folder on the right-hand sidebar (or right-click the instance and select Folder).
  3. Open the .minecraft folder, then the mods folder.
  4. Drop your .jar files here.

IMPORTANT

Please note that per our Modpack Support & Modifications policy (Section 15), any modifications, updates, or alterations made to an official release will void official support. For more details, please refer to our full policy here: Privacy Policy

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