Disabling full-screen optimizations in Windows 10 is a common fix for gamers experiencing stuttering, input lag, or issues with screen overlays. This feature, enabled by default, forces games into a "highly optimized borderless windowed format" rather than a true exclusive full-screen mode. While it allows for faster Alt-Tabbing, it can conflict with certain hardware configurations and game engines. Method 1: Disable for Individual Games (Recommended)
With the release of Windows 10, we added Fullscreen Optimizations – which takes full screen exclusive games and runs them instead ... Microsoft Dev Blogs Show all Performance Impact Summary Feature Enabled (Default) Disabled Alt-Tab Speed Faster (seamless) Slower (screen may flicker/black out) Input Lag Potentially higher in some titles Reduced in specific games Overlays Windows overlays (volume/Game Bar) visible Overlays may be hidden Stability Generally stable Can fix stuttering or FPS caps Would you like to know how to how to disable full screen optimization windows 10
Currently, it was unchecked. This meant Windows was actively trying to "optimize" his game. Disabling full-screen optimizations in Windows 10 is a