If using : Click Shaders and select your pack from the list. Performance Tips
If you experience lag, try these adjustments in your shader settings: This is the biggest factor for FPS.
Drag and drop your downloaded shader pack .zip files directly into this folder. Do not extract them . Activate in-game: Launch Minecraft using your Iris or OptiFine profile. Go to Options > Video Settings .
Open your Minecraft directory by typing %appdata%\.minecraft in your Windows search bar and look for a folder named shaderpacks .
The classic all-in-one mod. It’s a single .jar file that provides a "Shaders" menu under video settings but often has lower performance on newer Minecraft versions. Step 2: Download Shader Packs
Once your mod is installed, you need the actual "packs" that change the graphics. Always download these from trusted community sites like or CurseForge . Popular Shader Packs: BSL Shaders: Balanced, realistic, and highly customizable.
If using : Click Shader Packs , select your pack, and click Apply .