The most critical change is switching your to Performance - Lower Graphical Fidelity . This can triple your FPS on older hardware by using mobile-style assets that are much lighter on the GPU.

: If the game still stutters, lower this to 50–75% . This renders the game world at a lower resolution while keeping your HUD (UI) sharp.

: Go to Settings > Gaming > Game Mode and turn it ON . This tells Windows to prioritize Fortnite's CPU threads over background maintenance. 3. Laptop Specifics If you are on a laptop, your biggest enemy is heat .

: Always use Fullscreen . Never use Windowed or Windowed Fullscreen, as they introduce input lag and lower average FPS.

: This security feature can cost up to 28% of your FPS on low-end systems. Go to Settings > Privacy & Security > Windows Security > Device Security > Core Isolation and toggle "Memory Integrity" OFF .