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How to install "Tectonic"

Terrain shaping brought to new heights, grander and more varied than ever before!

Author

Apollo

Downloads

12.8M

Last Updated

Apr 16, 2026

License

MIT

Mod Loaders

Fabric Forge NeoForge Quilt

Minecraft Versions

26.1.2 1.21.11 1.20.6 1.19.4 1.18.2
adventure datapack worldgen

Quick Install ID

#tectonic

Install Tectonic in GDLauncher

Tectonic runs on Fabric, Forge, NeoForge, Quilt. 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 Tectonic supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #tectonic, find Tectonic 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 Tectonic supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #tectonic, find Tectonic 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 Tectonic supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #tectonic, find Tectonic in the results, and hit Download. GDLauncher pulls dependencies automatically.
  5. Hit Play. That's it.

Install on Quilt

  1. Open GDLauncher and create a new instance (the + button on the Library page).
  2. Pick the Quilt loader and a Minecraft version that Tectonic supports (26.1.2, 1.21.11, 1.20.6 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #tectonic, find Tectonic 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 Tectonic supports. As of the latest release, 26.1.2, 1.21.11, 1.20.6 are supported. Tectonic supports multiple loaders (Fabric, Forge, NeoForge, Quilt); 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 Tectonic free?

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

What Minecraft versions does Tectonic support?

Tectonic supports Minecraft 26.1.2, 1.21.11, 1.20.6, 1.19.4, 1.18.2. GDLauncher will automatically pick a compatible version when you install it.

Does Tectonic require Forge or Fabric?

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

How do I install Tectonic?

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

Who made Tectonic?

Tectonic is made by Apollo. The full project lives on Modrinth (https://modrinth.com/mod/tectonic).

Need help?

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

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