With Windows Flip 3D, you can quickly preview all of your open windows.
1. Press the Windows logo key +TAB to open Flip 3D.
2. While holding down the Windows logo key , press TAB repeatedly or rotate the mouse wheel to cycle through open windows. You can also press RIGHT ARROW or DOWN ARROW to cycle forward one window, or press LEFT ARROW or UP ARROW to cycle backward one window.
3. Release the Windows logo key to display the frontmost window in the stack. Or, click any part of any window in the stack to display that window.