To insert a new top level menu:
Select an existing top level menu, such as the default
file menu
Use the Insert | Before Current...,
Insert | After Current... menu options or the toolbar buttons,
to insert a new menu before or after the current selection
In the “Menu Editor” dialog type a caption for your menu.
This will produce a new menu with a menu item New item.
Press OK to create the menu.
To edit an application's menu use Edit | Current or
the toolbar button to activate the “Menu Editor” dialog.
To delete an application's menu select Edit | Delete
Current... or the delete toolbar button.