(in Windows)
I did this, but my game still feels laggy. disable fullscreen optimizations globally
Disabling this feature globally can occasionally break Windows overlays or specific productivity apps. If you only care about one or two competitive games, disabling it per-app is safer: (in Windows) I did this, but my game still feels laggy
If you experience issues (such as games minimizing slowly or multi-monitor bugs), you can easily revert Method 1. (in Windows) I did this
In older versions of Windows, you had to choose: (best performance, slow alt-tabbing) or Borderless Windowed (fast alt-tabbing, potential input lag). Windows 10 and 11 introduced Fullscreen Optimizations to bridge this gap, but many gamers find it causes stuttering and consistency issues in specific titles. Method 1: The Registry Hack (Global Disable)