The File menu gives you access to options for the screen layout.  The screen layout includes which window displays are selected as well as their positions.  Under the File menu, you can save the current screen layout, or load a previously saved screen layout. 

To load a previously saved screen layout, click on 'Load Screen Layout.'

Then select the user name that is associated with the saved screen layout and click the OK button.  Notice there is a "default" setting that you can load.

To save the current screen layout, click on 'Save Screen Layout.'