Players can browse and download shader packs from CurseForge or other websites. Some popular shader packs are BSL Shaders, Complementary Shaders, Sildur’s Vibrant Shaders, SEUS Renewed, etc.

Head to your site of choice and select a shader pack, make sure it matches your version of Minecraft and Iris, then download the pack's .zip file. Open your game root directory folder where Iris ...