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How to install "Basically OptiFine (BOF)"

A Fabric modpack that is so similar to OptiFine, it's Basically OptiFine.

Author

lilrollieguy

Downloads

32.0K

Last Updated

Mar 8, 2026

Mod Loaders

Fabric

Minecraft Versions

1.21.11
Vanilla+

Quick Install ID

#basicallyoptifine

Install Basically OptiFine (BOF) in GDLauncher

Basically OptiFine (BOF) runs on Fabric. 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 Basically OptiFine (BOF) supports (1.21.11 are common choices).
  3. Open the new instance, go to the Addons tab, and click Add Addons.
  4. Paste the Quick Install ID #basicallyoptifine, find Basically OptiFine (BOF) 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 Basically OptiFine (BOF) supports. As of the latest release, 1.21.11 are supported. Basically OptiFine (BOF) 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 Basically OptiFine (BOF) free?

Yes. Basically OptiFine (BOF) is free to download and install through GDLauncher. GDLauncher itself is also free and ad-free.

What Minecraft versions does Basically OptiFine (BOF) support?

Basically OptiFine (BOF) supports Minecraft 1.21.11. GDLauncher will automatically pick a compatible version when you install it.

Does Basically OptiFine (BOF) require Forge or Fabric?

Basically OptiFine (BOF) requires Fabric. GDLauncher will install the correct loader automatically when you create an instance.

How do I install Basically OptiFine (BOF)?

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

Who made Basically OptiFine (BOF)?

Basically OptiFine (BOF) is made by lilrollieguy. The full project lives on CurseForge (https://www.curseforge.com/minecraft/modpacks/basicallyoptifine).

Project links

Need help?

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

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