To download and install the .zip file for Minecraft, you must place the downloaded archive directly into your game's shaderpacks folder without unzipping it. 1. Download the Shader Pack

using the new loader profile (Iris or OptiFine) in your launcher.

: Designed for a more realistic experience with advanced lighting and effects. Download from CurseForge or Modrinth .

Navigate to → Video Settings → Shader Packs (or "Shaders" in OptiFine). Click the Open Shader Pack Folder button.