The Window submenu on the main menu bar provides the following options:
Cascade - cascade all desktop windows
Tile Vertical - tile all desktop windows vertically
Tile Horizontal - tile all desktop windows horizontally
Classic - arrange desktop windows in the classical manner (as in SuperMemo)
Save as default - save the current windows arrangement and use it always on start-up with the currently selected knowledge system
User default - arrange desktop windows in the default manner saved with Save as default
Program default - arrange desktop windows in the default manner (hard-coded for SuperMemo 8 and a given screen resolution)
Toolbar - show or hide the toolbar located under the menu bar
Status bar - show or hide the status bar at the bottom
Next - activate the next available window on the desktop
Previous - activate the previous available window on the desktop
Arrange icons - arrange icons of minimized desktop windows
At the bottom of the Window submenu you can find the list of currently used windows (only those participating in the MDI interface, i.e. except orphaned windows).