To use Kiwi Shaders in your worlds, you must run Minecraft with a compatible shader loader such as Iris or OptiFine and enable the pack from your video settings.
Selecting the Pack in Video Settings
1. Launch Minecraft using your Iris or OptiFine profile and load into the main menu or an existing world.
2. Open Options and click Video Settings.
3. Open the Shaders or Shader Packs menu.
4. If Kiwi Shaders does not appear in the list, click the button to open your shader packs folder and confirm the Kiwi Shaders file is placed directly inside the shaderpacks directory rather than inside resourcepacks or mods.
5. Select Kiwi Shaders from the list, then click Apply or Done to reload the renderer.
Checking the Visual Changes
Once you return to your world, look at nearby terrain and creatures to confirm the shader is active. Kiwi Shaders refreshes the look of your blocks and applies a clean pixel shader style across the environment. Because it preserves the classic feel of the base game, your blocks and mobs will keep their original vanilla art style rather than switching to realistic surfaces.