Click OK to exit System Properties. After Turning off visual effects, enable full screen mode on any application and then check if Windows 10 taskbar showing in fullscreen issue still occurs.

How to go full screen in Windows 11 and 10 In most circumstances Windows offers several ways of making an app full screen, presumably because of how essential the option is.

You can now run Microsoft Store Apps in full-screen mode in Windows 11/10 and restore the application to normal windows in a single click. Check this guide to know how to do.

The feature lets you "snap" a window to one side of your screen without having to move it around and resize it manually. In Windows 10, Microsoft has improved the snap feature to include more options.