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How to install "Zeta"

Comprehensive Load-Bearing Library for Modular Mods

Author

Vazkii

Downloads

11.1M

Last Updated

Apr 24, 2026

License

CC-BY-NC-SA-3.0

Mod Loaders

Forge NeoForge

Minecraft Versions

1.21.1 1.20.1

Quick Install ID

#zeta

Install Zeta in GDLauncher

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

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 Zeta supports (1.21.1, 1.20.1 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #zeta, find Zeta 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 Zeta supports (1.21.1, 1.20.1 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #zeta, find Zeta 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 Zeta supports. As of the latest release, 1.21.1, 1.20.1 are supported. Zeta supports multiple loaders (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 Zeta free?

Yes. Zeta is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Zeta support?

Zeta supports Minecraft 1.21.1, 1.20.1. GDLauncher will automatically pick a compatible version when you install it.

Does Zeta require Forge or Fabric?

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

How do I install Zeta?

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

Who made Zeta?

Zeta is made by Vazkii. The full project lives on Modrinth (https://modrinth.com/mod/zeta).

Need help?

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

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