Download Complementary Shaders Zip -

: A long-standing alternative. Download the version matching your game from optifine.net .

The safest way to get the authentic .zip file is from the Complementary Development Official Site or trusted community platforms. : Download Complementary Shaders zip

using the new loader profile (Iris or OptiFine) in your launcher. : A long-standing alternative

Return to the game, select the shader from the list, and click . select the shader from the list

Shaders cannot run on "Vanilla" Minecraft alone; you need a loader to act as a bridge.

the downloaded Complementary Shaders.zip file directly into this folder. Do not extract the files .