On Apple's Magic Mouse or multi-touch trackpads, this can be activated by pulling up on the trackpad with three or four fingers. On newer Mac keyboards, this is activated from the F3 key, or F9 on older keyboards. Exposé and Mission Control include three separate features for organizing windows and open applications:Īll windows Shows all open and unhidden windows, and all virtual desktops, shrinking their appearance so they all fit on a single screen.