[1.19.x] Download Arc Shader - Pack

The classic choice. Download the 1.19.x version from the official OptiFine site . 2. Install the Loader

Once the game is at the main menu, go to > Video Settings . Click on Shader Packs (Iris) or Shaders (OptiFine). Click the Open Shader Pack Folder button at the bottom. [1.19.x] Download Arc Shader Pack

Open the and select your new Iris or OptiFine profile. The classic choice