Disable Fullscreen Optimizations [patched] ✮

To allow for fast Alt-Tabbing and overlay support (like the Xbox Game Bar) without the performance penalties usually associated with windowed modes.

“It’s… fixed,” he whispered.

Try disabling fullscreen optimizations.

Introduced with Windows 10, Fullscreen Optimizations is a hybrid mode. It tricks games into thinking they are running in (allowing for full hardware access) while actually keeping them in a Borderless Windowed state managed by the Desktop Window Manager (DWM).

Every time he launched the game, it started fine. Crisp. Smooth. The intro cinematic would play without a hitch. But the moment he clicked “New Game” and the fullscreen environment kicked in, the stuttering began. disable fullscreen optimizations

Disable Fullscreen Optimizations is a simple yet powerful feature that can enhance your gaming experience. By taking control of your game's performance, you can enjoy uninterrupted gaming sessions, free from the frustrations of stuttering, freezing, and crashes. Give it a try and discover a smoother, more responsive gaming experience.

However, the friction arises when the theoretical efficiency of the DWM clashes with the practical realities of high-performance gaming. The primary reason users choose to disable these optimizations is to reclaim the raw performance of Exclusive Fullscreen mode. When the DWM manages the display, it adds a layer of overhead. The GPU must not only render the game frames but also manage the composition of the desktop environment. For most users, this overhead is negligible. Yet, for competitive gamers or those running hardware on the edge of their capabilities, this additional latency—often measured in milliseconds—can be the difference between a hit and a miss in a fast-paced shooter. To allow for fast Alt-Tabbing and overlay support

She navigated to the game’s .exe file—not the shortcut, the real one, deep in the steamapps folder. Right-click. Properties. Compatibility.