: Obtain the .zip file from a trusted source like Modrinth .
The magic lies in the suffix. Unlike standard shader packs that target a specific OptiFine or Iris version, this archive is curated to work across multiple Minecraft releases—from 1.12.2 (the modding golden age) all the way to 1.20.4 and beyond. Derivative-Shaders-All-Versions.zip
Here’s a short informational piece you can use for a download page, forum post, or mod listing for . : Obtain the