The Window menu is used when you need to change the layout of windows that are currently opened or minimized. It also allows you to close or select open windows.

Figure 4.52: The Window Menu
Tile - Divides the screen equally between windows
Cascade - Arranges window on top of each other
Arrange Icons - Arranges minimized windows at the bottom
Close All - Closes all windows
To arrange at the bottom all the windows that have been minimized down to an icon, choose Arrange Icons from the Window menu.
To close all editor, view, and graph windows that are open, choose Close all from the Window menu.
MPL keeps a list of all open windows in the window menu that can be used to quickly search for and switch between windows.