Hotkey to switch between multiple displays in Windows 8.1
In Windows 7/8/10 you can use Windows Key+P to switch between display options which will behave similarly to pressing Alt+Tab
This can be first observed in Windows 7
Full list of shortcuts and hot keys can be found here:
http://windows.microsoft.com/en-us/windows/keyboard-shortcuts#keyboard-shortcuts=windows-8
Specifically under the section called Windows logo key keyboard shortcuts
