Basic computer shortcut you should know

windows logo key on the keyboard

Windows logo key  to   Open or close the Start menu.
Windows logo key +Pause   to     Display the System Properties dialog box.
Windows logo key +D  to Display the desktop.
Windows logo key +M  to Minimize all windows.
Windows logo key +Shift+M   to    Restore minimized windows to the desktop.
Windows logo key +E  to    Open Computer.
Windows logo key +F  to    Search for a file or folder.
Ctrl+Windows logo key +F  to    Search for computers (if you're on a network).
Windows logo key +L to    Lock your computer or switch users.
Windows logo key +R    to   Open the Run dialog box.
Windows logo key +T  to    Cycle through programs on the taskbar.
Windows logo key +Tab  to     Cycle through programs on the taskbar by using Aero Flip 3-D.
Ctrl+Windows logo key +Tab   To view opened programs on the task bar Aero Flip 3-D.
Windows logo key +Spacebar  to    Preview the desktop.
Windows logo key +Up Arrow  to   Maximize the window.
Windows logo key +Left Arrow  to     Maximize the window to the left side of the screen.
Windows logo key +Right Arrow  to    Maximize the window to the right side of the screen.
Windows logo key +Down Arro  to    Minimize the window.
Windows logo key +Home  to   Minimize all but the active window.