Once you have finished editing your GameUserSettings.ini , right-click the file, select , check the Read-only box, and click Apply . This prevents Fortnite from overwriting your custom optimizations when the game updates.
: Ensures motion blur is completely disabled for visual clarity.
: Prevents the game from streaming skins in the background, which is a major cause of stuttering.
Click on Start. Type %localappdata%, and then press Enter. Navigate to FortniteGame\Saved\Config\WindowsClient. Epic Games
Type %localappdata%\FortniteGame\Saved\Config\WindowsClient and hit Enter. Right-click and open it with Notepad. Top Config File Tweaks for 2026
If you'd like, I can help you or explain how to properly use stretched resolution for your specific monitor.
Search for these specific lines in your Notepad file and change their values as shown below to match professional optimizations used by players like :