: Built-in support for shader packs that completely overhaul the game's lighting and water visuals.

: Often doubles your performance and significantly reduces lag spikes.

: Handheld light sources like torches illuminate the world around you without being placed.

: Supports high-resolution texture packs and custom colors/lighting. How to Download and Install

To ensure your security, only download from the Official OptiFine Website . How To Download OptiFine (Minecraft 1.21.8)

: A dedicated hotkey (usually 'C') that allows you to zoom in on distant objects.