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Downloads for OptiFine for Minecraft 1.20.1

Official OptiFine download link for Minecraft 1.20.1, with shader support and Forge compatibility notes.

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Latest build

OptiFine 1.20.1 HD U I6

2023-12-21Minecraft 1.20.1
AvailableShadersForge compatible
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Compatibility

OptiFine BuildMC VersionRelease DateShadersForgeDownload
OptiFine 1.20.1 HD U I61.20.12023-12-21SupportedCompatibleGet

Forge: Compatible when installed with the correct Forge version. Compatibility can vary by Minecraft and OptiFine build.

Changelog

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Installation guide

Follow these steps to install OptiFine for Minecraft 1.20.1:

  1. 1Run Minecraft 1.20.1 once in the official Launcher to make sure the version files are downloaded.
  2. 2Click Download on this page and wait for the OptiFine 1.20.1 HD U I6 .jar file.
  3. 3Double-click the downloaded .jar file — the OptiFine installer opens. Click Install.
  4. 4Open the Minecraft Launcher and pick the new OptiFine 1.20.1 profile from the dropdown next to the Play button.
  5. 5Press Play. Open Options → Video Settings to fine-tune performance and shaders.
Recommended guides
Full install guide
Step-by-step for any version
Install with Forge
Use OptiFine alongside Forge mods
Add shaders
Drop shader packs into Minecraft

About OptiFine for Minecraft 1.20.1

OptiFine for Minecraft 1.20.1 (the “Trails & Tales” update) brings the full OptiFine feature set to this version: smoother framerates, shader pack support, HD texture handling, dynamic lights, connected textures, and a deeper Video Settings menu. The exact OptiFine build that matches Minecraft 1.20.1 is OptiFine 1.20.1 HD U I6.

If you also use mods, install Forge for Minecraft 1.20.1 first, run it once, then drop the OptiFine .jar into your mods folder. Mismatched Minecraft versions between Forge and OptiFine are the most common cause of crashes — always pair builds that share the same Minecraft target.

The Trails & Tales update changed how Minecraft handles rendering and resource packs. OptiFine for 1.20.1 is built specifically against those changes, so it gives you the right shader and texture pipeline for this version without falling back to vanilla behavior.