: Download the ShadersModCore (version 2.4.11 or similar for 1.8) and place it into the same mods folder. Launch & Configure : Open the Minecraft Launcher and select the Forge profile.
Once in-game, go to > Video Settings . You should now see a Shaders button. How to Add Shader Packs Shaders Mod 1.8.1
The mod itself only provides the "engine"; you need a "pack" for the actual visuals. How To Install Minecraft Shaders For 1.8 (Step by Step) : Download the ShadersModCore (version 2