Stops Windows from intercepting exclusive fullscreen and rendering games in a borderless-window composition path. Many competitive players report lower latency with this off; some games (especially DX12) actually run better with it on. Test per-title.
MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.
Get MaxTweaksOfficial documentation: https://devblogs.microsoft.com/directx/demystifying-full-screen-optimizations/