To arrange up to ten display windows and the Model Explorer, click the Options menu > Arrange Windows command or select the Arrange Windows command form the drop-down menu that displays when the down arrow in the upper right-hand corner of window is clicked. The arrangement begins just right of the Model Explorer, then right of that window, with the third window sharing half of the second display window on the right side, and the fourth window sharing half of the first window on the left side of the ETABS window. If additional windows are open, those windows are arranged as tabs on the first window in the upper left-hand side of the ETABS Window.