1. From any screen, touch and hold the Back key.
   
2. Tap the desired app.
   
3. Tap a second desired app.
   
4. Drag the Blue tab up or down to resize the windows.
   
5. A Blue border surrounds the active window.
   
6. Tap the Blue tab to access Dual Window options.
   
7. Tap the Swap icon to switch the top and bottom window.
   
8. Tap the Apps icon to view a list of apps.
   
9. Tap the Maximize icon to enlarge the active window to the full size of the screen.
   
10. Tap the Close icon to close the active window.