Click to begin.  To move to a new position, click in the new location.  To change the view direction drag the cursor (move cursor holding the button down, or move with one finger on the screen).  The zoom in and out use the mouse scroll button, or place two fingers on the screen and move them closer or farther away. To run an automated tour, press the play icon in the lower left corner. For more help, press “Help” in lower right of screen.