Optimizing Fortnite Chapter 4 for performance involves enabling Performance Mode, turning off shadows, and setting graphics to low to maximize FPS and reduce input delay. Advanced tweaks include editing the GameUserSettings.ini file and disabling fullscreen optimizations for improved responsiveness. For a detailed optimization guide, see Reddit www.reddit.com/r/FortNiteBR/comments/162qi0i/the_ultimate_optimization_guide_for_fortnite/.