Install Better Compatibility Checker in GDLauncher
Better Compatibility Checker 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
- Open GDLauncher and create a new instance (the + button on the Library page).
- Pick the Fabric loader and a Minecraft version that Better Compatibility Checker 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
#better-compatibility-checker, find Better Compatibility Checker 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 Better Compatibility Checker 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
#better-compatibility-checker, find Better Compatibility Checker in the results, and hit Download. GDLauncher pulls dependencies automatically. - Hit Play. That's it.
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 Better Compatibility Checker 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
#better-compatibility-checker, find Better Compatibility Checker 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 Better Compatibility Checker supports. As of the latest release, 26.1.2, 1.21.11, 1.20.4 are supported. Better Compatibility Checker 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 Better Compatibility Checker free?
Yes. Better Compatibility Checker is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does Better Compatibility Checker support?
Better Compatibility Checker supports Minecraft 26.1.2, 1.21.11, 1.20.4, 1.19.4, 1.18.2, 1.16.5. GDLauncher will automatically pick a compatible version when you install it.
Does Better Compatibility Checker require Forge or Fabric?
Better Compatibility Checker 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 Better Compatibility Checker?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #better-compatibility-checker. GDLauncher handles dependencies and the right Minecraft version automatically.
Who made Better Compatibility Checker?
Better Compatibility Checker is made by Gaz492. The full project lives on Modrinth (https://modrinth.com/mod/better-compatibility-checker).
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.