The "OF" version comes with built-in OptiFine for 1.12, providing a massive FPS boost and HD texture support. Step-by-Step Installation Guide
Also functions as an alternative key for the Navigator in some configurations. A Word on Safety Is This Actually GOOD! - Wurst Client (FULL GUIDE) Download Wurst v6.13 MC1.12 OF
Download the .ZIP version if you are on Windows. Right-click and Extract All to a temporary folder. The "OF" version comes with built-in OptiFine for 1
Opens the ClickGUI , where you can toggle hacks and adjust settings. Download Wurst v6.13 MC1.12 OF