How To Disable Fullscreen Optimization Extra Quality Jun 2026

After applying Method 1 or 2, you can confirm it worked:

: Click on the Compatibility tab at the top of the window.

: Can reduce input lag and provide a more consistent framerate in certain games. how to disable fullscreen optimization

If you use launchers (Steam, Epic, Ubisoft Connect), apply this to the main game .exe , not the launcher executable.

How to Disable Full Screen Optimization for Game in Epic Games After applying Method 1 or 2, you can

[!TIP]To apply this setting for every user on the PC, click at the bottom of the Compatibility tab before checking the box. How to Disable System-Wide (Registry Editor)

Fullscreen Optimization is a Windows feature introduced with Windows 10. It changes how games and applications behave when running in fullscreen mode. How to Disable Full Screen Optimization for Game

This disables Fullscreen Optimization for on your PC. Only use this if you are comfortable editing the registry and want a global fix.

: May make Alt-Tabbing slower and can cause brief black screens when switching windows. Are you trying to fix a specific game that is lagging, or