F4
This action causes the current layout to be saved, using the available options to control what and how.
Executing this action will cause a dialog titled Save Layout As to be displayed. This dialog provides an empty text field for you to specify the Name of your custom layout and also allows you to choose which set of Actions, Menus and Toolbars to use for the layout. The value for all three choices is set to the current state, or Custom, by default.
The meaning of the available choices are as follows: