Install Ultimately Optimized(Old/Moved) in GDLauncher
Ultimately Optimized(Old/Moved) runs on Forge. Pick whichever your existing instance uses, or create a new one. GDLauncher installs the correct loader automatically.
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 Ultimately Optimized(Old/Moved) supports (1.12.2, 1.8.9, 1.7.10 are common choices).
- Open the new instance, go to the Addons tab, and click Add Addons.
- Paste the Quick Install ID
#ultimatelyoptimizedold, find Ultimately Optimized(Old/Moved) 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 Ultimately Optimized(Old/Moved) supports. As of the latest release, 1.12.2, 1.8.9, 1.7.10 are supported. Ultimately Optimized(Old/Moved) only runs on Forge; 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 Ultimately Optimized(Old/Moved) free?
Yes. Ultimately Optimized(Old/Moved) is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.
What Minecraft versions does Ultimately Optimized(Old/Moved) support?
Ultimately Optimized(Old/Moved) supports Minecraft 1.12.2, 1.8.9, 1.7.10. GDLauncher will automatically pick a compatible version when you install it.
Does Ultimately Optimized(Old/Moved) require Forge or Fabric?
Ultimately Optimized(Old/Moved) requires Forge. GDLauncher will install the correct loader automatically when you create an instance.
How do I install Ultimately Optimized(Old/Moved)?
Open GDLauncher, go to your instance's Addons tab, click Add Addons, and paste the Quick Install ID #ultimatelyoptimizedold. GDLauncher handles dependencies and the right Minecraft version automatically.
Need help?
Read our troubleshooting guide, check the guides section, or join the GDLauncher Discord community.