GDLauncher logo
Old School Minecraft logo
Modrinth Modrinth · Modpack

How to install "Old School Minecraft"

Brings back the old Alpha/Beta feel of Minecraft! While having the new features!

Author

Minix

Downloads

27.6K

Last Updated

Dec 7, 2025

License

MIT

Mod Loaders

Fabric Forge NeoForge

Minecraft Versions

1.21.1 1.20.1 1.19.4 1.18.2
adventure challenging combat magic multiplayer

Quick Install ID

#old-school-minecraft

Install Old School Minecraft in GDLauncher

Old School Minecraft runs on Fabric, Forge, NeoForge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.

Install on Fabric

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Fabric loader and a Minecraft version that Old School Minecraft supports (1.21.1, 1.20.1, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #old-school-minecraft, find Old School Minecraft in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Forge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Forge loader and a Minecraft version that Old School Minecraft supports (1.21.1, 1.20.1, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #old-school-minecraft, find Old School Minecraft in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on NeoForge

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the NeoForge loader and a Minecraft version that Old School Minecraft supports (1.21.1, 1.20.1, 1.19.4 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #old-school-minecraft, find Old School Minecraft in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Before you install

Make sure your Minecraft version matches what Old School Minecraft supports. As of the latest release, 1.21.1, 1.20.1, 1.19.4 are supported. Old School Minecraft supports multiple loaders (Fabric, Forge, NeoForge); pick whichever matches your other mods. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.

Frequently Asked Questions

Is Old School Minecraft free?

Yes. Old School Minecraft is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Old School Minecraft support?

Old School Minecraft supports Minecraft 1.21.1, 1.20.1, 1.19.4, 1.18.2. GDLauncher will automatically pick a compatible version when you install it.

Does Old School Minecraft require Forge or Fabric?

Old School Minecraft supports Fabric, Forge, NeoForge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.

How do I install Old School Minecraft?

Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #old-school-minecraft. GDLauncher handles dependencies and the right Minecraft version automatically.

Who made Old School Minecraft?

Old School Minecraft is made by Minix. The full project lives on Modrinth (https://modrinth.com/modpack/old-school-minecraft).

Need help?

Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.

View on Modrinth Download GDLauncher