Fullscreen Optimizations Windows 11 [2021] Jun 2026

Traditionally, games ran in . This gave the game complete control over the display. The desktop environment was essentially put to sleep. While this offered the best performance, it came with a cost: Alt-Tabbing was painfully slow, and features like the Game Bar or overlays often failed to work.

Here’s a concise post about , including what it does, when to disable it, and how. fullscreen optimizations windows 11

Fullscreen Optimizations leverage the Windows Desktop Window Manager (DWM). Traditionally, games ran in

Here is everything you need to know about Fullscreen Optimizations in Windows 11 and how to control them. including what it does