: Download and install the version for 1.19.x from the official OptiFine site .
If you are looking for specific "PBRtest" versions, these are often experimental builds. If the standard Extreme version does not include the PBR features you need, check the developer's official Discord or GitHub (if available) for unstable test branches.
: For a version that may require unzipping to access all presets (including Extreme), check the Chocapic13 V9 general file . Installation Guide [1.19.x] Download Chocapic13 V9.1 Extreme PBRtest2
To use these shaders in Minecraft 1.19.x, you need a shader-compatible mod loader like or Iris . Install a Mod Loader :
Return to the game, select from the list, and click Apply or Done . : Download and install the version for 1
: You can find the Chocapic13 V9.1 Extreme version on the Chocapic13' Shaders CurseForge page .
: Often recommended for better performance. Download the Iris installer . Locate the Shader Folder : Open the Minecraft Launcher and click Play . Go to Options > Video Settings > Shaders (or Shader Packs ). : For a version that may require unzipping
To download the shader for Minecraft version 1.19.x, you should use official modding platforms to ensure you get the correct, safe files. Download Links