Activate functions using one key combination. - Turn Off Computer: WinKey+Shift+F4. - Restart: WinKey+Shift+F8. - Log Off: WinKey+Shift+F12. - Switch User/Lock Computer: WinKey+Shift+L. - Mute/Undo Mute: WinKey+Shift+End. - Add/Delete Hotkey I/II: WinKey+Alt/Ctrl+Anykey(F1-F12/0-9/A-Z).