There are old ways and new ways to switch between open applications in Windows 8, depending on whether you have a keyboard and mouse or must rely on touch only. If you have a keyboard, mouse and touchscreen, you can use all the following methods: Cycle Through Icons Keyboard Press Alt-Tab. or Press Windows-Tab. Cycle Through Apps Mouse Point to upper left corner and click. Touch From left edge of screen, swipe right. Via Side Menu Mouse Point to upper left corner of screen and move mouse down the edge. Touch From left edge of screen, swipe right about an inch and back again.