Microsoft introduces optimizations for windowed games to reduce lag in Windows 11

Microsoft is working hard to improve gaming performance in Windows 11. It introduces some new options, labeled "Windowed Game Optimization". It's no secret that games running in full-screen mode have better performance than windowed or borderless windowed modes. Several factors can affect performance levels. When you play a game in full screen and try to Alt Tab to a different window (or switch to a different monitor), you may notice that it takes a long time to do so and the screen may go black for a few seconds. This is because Full Screen Exclusive (FSE) games bypass the Desktop Window Manager (DWM). DWM, on the other hand, controls the display in windowed mode and significantly reduces the time required to switch between 2 windows. This is why some games enable full-screen borderless windows by default. Microsoft has addressed lag issues in Windows 10 with a feature called Full Screen Optimization to allow games to run in an optimized borderless window mode. This article on the Microsoft Dev Blog explains it well. Another factor that plays a major role in gaming performance is vertical synchronization, also known as vertical synchronization. Full-screen mode lets you control vertical sync, but if the game is running in windowed mode, you may notice that the vertical sync option is grayed out or unclickable. That's because V-Sync doesn't work with windowed programs. Why is this important? Most modern games have a framerate slider in the settings that allows you to cap your FPS within a certain range. For example 30FPS, 45FPS. 60FPS. Some games don't have this option, and if you have a monitor with a higher refresh rate, like 75Hz, you can enable V-Sync. Enabling this option helps prevent screen tearing by limiting the frame rate to your monitor's frame rate. Setting a frame cap can also reduce load on the GPU, thus improving game performance. For example, if the game is taxing your graphics card, try lowering the FPS limit and you'll experience a constant flow instead of spiking to higher frame rates and dropping to lower values ​​every now and then. The thing is, not every game can toggle v-sync, frame limiter, or set screen mode, which is why Microsoft is introducing a new way to manage your games, Optimization for Windowed Games.

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