Open Minecraft, go to Options > Video Settings > Shaders , and click "Shaders Folder." Drop the downloaded ZIP file there.
: Optimized for low-end systems or "potatoes," providing basic shadows and improved lighting without heavy performance hits.
Despite being "Light," this shader still drastically improves vanilla Minecraft:
To push 60 FPS on an iGPU or 144 FPS on a GTX 1060, tweak these: