What shortcuts have been added to Windows 8?

One thing to note is that Win+X, under win7, is to open the mobile center, which has changed under Win8.
Windows key + X : Windows shortcut menu
Windows key + C : Display personality classification and clock
Windows key + I : Open "Settings" personality classification
Windows key + K : Open "device" Personality classification
Windows key + H : Open "Shared" personality classification
Windows key + W : Open "Search" personality classification of selected settings
Windows key + F : Open "Search" of selected file Personality classification
Windows key + Q : Open the "Search" personality classification of the selected application
Windows key + Space key: Switch language or input method (if multiple languages ​​or input are enabled)
Windows key + Z : Open the command or option of the current application (if the application has a definition)
Windows key + Enter : Turn on Narrator
Windows key + V : Cycle through the notifications on the screen
> Windows key + Page Up : Move the start screen to the left monitor in the multi-monitor setup
Windows key + Page Down : Move the start screen to the right monitor in the multi-monitor setup
Windows key + O : Turn the screen on or off Locking (if the computer supports auto-sensing screen orientation)
Windows key + ': when the application is aligned to one side, this hot key on the screen switching center applications.
Windows key + . : When you align the application to one side, this hotkey moves the split bar to the right
Windows key + Shift + . : When aligning the application to one side, This hotkey will move the split bar to the left
In addition, the existing Win7 hotkeys are basically available in the Win8 Consumer Preview. Note that many of the Windows 7 window docking hotkeys (such as Windows Key + Left Arrow, Windows Key + Right Arrow, etc.) are only available in the Win8 Consumer Preview desktop.
You can continue to find some shortcuts under Win7 and Win8, especially different parts.