Right-click the Fortnite executable file ( FortniteClient-Win64-Shipping.exe ), go to Properties > Compatibility, and check Disable fullscreen optimizations .
Click the three dots on Fortnite in your library, select Options , and uncheck High Resolution Textures to save disk space and improve loading times. *INSANE* Fortnite Chapter 3 Season 3 FPS Guide!
For the highest FPS, use rendering mode. Window Mode: Fullscreen (provides the lowest input delay). Window Mode: Fullscreen (provides the lowest input delay)
Set "Power Management mode" to Prefer maximum performance and "Low Latency Mode" to Ultra . View Distance: Set to Medium or Low to reduce CPU load
Keep at 100% for clarity, but lower it if you have an extremely low-end PC. View Distance: Set to Medium or Low to reduce CPU load. Shadows / Anti-Aliasing: Set to Off . Textures / Effects: Set to Low to maximize performance. V-Sync: Off to prevent frame capping and input lag. Windows & Hardware Optimizations
Cap this at your monitor's refresh rate (e.g., 144Hz or 240Hz) to ensure smooth frame timing.