Choose one of the Minecraft 1.17.1 shaders and download it.
Select the new Optifine profile in the Minecraft launcher.
However, it is important that you have played the new Caves & Cliffs update before, so that everything works without problems. There you click on install and the first step is already done. You have to open the downloaded JAR file with Java. By the way, this tutorial also works with all other game versions. The change has made installing shaders much easier, because now you only need Optifine. How to download and install Minecraft ShaderĪ few years ago it was still necessary to download the GSL shader mod with Forge, but that has changed.