Install PolyLib in GDLauncher
PolyLib runs on NeoForge, Fabric, Forge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.
Install on NeoForge
- Open GDLauncher and create a new instance (the + button on the Library page).
- Pick the NeoForge loader and a Minecraft version that PolyLib supports (26.1.2, 1.21.11, 1.20.4 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#polylib, find PolyLib in the results, and hit Download. GDLauncher pulls dependencies automatically. - Hit Play. That's it.
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 PolyLib supports (26.1.2, 1.21.11, 1.20.4 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#polylib, find PolyLib in the results, and hit Download. GDLauncher pulls dependencies automatically. - Hit Play. That's it.
Install on Forge
- Open GDLauncher and create a new instance (the + button on the Library page).
- Pick the Forge loader and a Minecraft version that PolyLib supports (26.1.2, 1.21.11, 1.20.4 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#polylib, find PolyLib 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 PolyLib supports. As of the latest release, 26.1.2, 1.21.11, 1.20.4 are supported. PolyLib supports multiple loaders (NeoForge, Fabric, Forge); 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 PolyLib free?
Yes. PolyLib is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does PolyLib support?
PolyLib supports Minecraft 26.1.2, 1.21.11, 1.20.4, 1.19.2, 1.18.2. GDLauncher will automatically pick a compatible version when you install it.
Does PolyLib require Forge or Fabric?
PolyLib supports NeoForge, Fabric, Forge. Pick the loader that matches your other mods, or let GDLauncher set up a fresh instance for you.
How do I install PolyLib?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #polylib. GDLauncher handles dependencies and the right Minecraft version automatically.
Who made PolyLib?
PolyLib is made by Official_CreeperHost, Gigabit101, Paul_T_T. The full project lives on CurseForge (https://www.curseforge.com/minecraft/mc-mods/polylib).
Project links
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.