Windows 8 introduced a new category of full-screen applications, called Modern Apps, Win8 Apps, Window Store Apps, WinRT Apps, Immersive Apps, and sometimes Metro Apps. It retained the desktop application capabilities of Vista and Windows 7.
Your display, like the one to the left, is more crowded than ever with desktop windows, so finding the window you need can be hard. It is not obvious at first glance, but that desktop contains 13 active desktop apps and 7 active Win8 Apps.
Now, you could press the Windows