The Window menu provides items for manipulating notebook windows.

Minimize — minimize the notebook to the dock (Macintosh only)

Zoom — increase the notebook size to fit the screen (Macintosh only)

Magnification — change the display magnification for a notebook

Toolbar ▶ — toggle toolbars of the current notebook

Stack Windows — arrange windows in an overlapping stack

Tile Windows Wide — arrange all windows to fit one above another

Tile Windows Tall — arrange all windows to fit one beside another

Full Screen — toggle full-screen display for the current notebook

Bring All to Front — bring all windows to the front (Macintosh only)

Messages — show the Messages notebook