Install OptiFabriс in GDLauncher
OptiFabriс runs on Fabric. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.
Install on Fabric
- Open GDLauncher and create a new instance (the + button on the Library page).
- Pick the Fabric loader and a Minecraft version that OptiFabriс supports (26.1.2, 1.21.11, 1.20.6 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#optifabric-modpack, find OptiFabriс in the results, and hit Download. GDLauncher pulls dependencies automatically. - Hit Play. That's it.
Before you install
Make sure your Minecraft version matches what OptiFabriс supports. As of the latest release, 26.1.2, 1.21.11, 1.20.6 are supported. OptiFabriс only runs on Fabric; mods built for other loaders won't work. GDLauncher checks compatibility for you and won't install something incompatible with the instance you've chosen.
Frequently Asked Questions
Is OptiFabriс free?
Yes. OptiFabriс is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does OptiFabriс support?
OptiFabriс supports Minecraft 26.1.2, 1.21.11, 1.20.6, 1.19.4, 1.18.2, 1.17.1. GDLauncher will automatically pick a compatible version when you install it.
Does OptiFabriс require Forge or Fabric?
OptiFabriс requires Fabric. GDLauncher will install the correct loader automatically when you create an instance.
How do I install OptiFabriс?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #optifabric-modpack. GDLauncher handles dependencies and the right Minecraft version automatically.
Who made OptiFabriс?
OptiFabriс is made by creanter. The full project lives on CurseForge (https://www.curseforge.com/minecraft/modpacks/optifabric-modpack).
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.