кнопка windows в win7

win+LeftArrow and win+RightArrow (особенно хороши с двумя экранами!)
win+UpArrow and Win+DownArrow
win+Shift+LeftArrow and win+Shift+LeftArrow
win+Shift+UpArrow and win+Shift+DownArrow

win+p (displayswitch.exe)

win+x

win+Home (back: win+Home)

Open Command Prompt here

c:\windows\globalization\mct (all backgrounds)

blackbox recorder: psr.exe

win+1 and so on.

win+t (back: win+Shift+t)

win+Space

win+e my comp
win+r run
win+s snap to onenote
win+d desktop
win+f find
win+L lock comp
win+b  notification icons
win+n one note
win+m minimize (same as win+d)