The Separate Window command is enabled in Browser View and undocks the Browser View of the document from the other views. As a separate window, Browser View can be displayed side-by-side with an editing view of the document.
To refresh the separated Browser View after making a change in an editing view, press F5 in the editing view. To dock a separate Browser View window back into the window containing the other views, make the Browser View window active and click the Separate Window command.