Here is the widget breakdown for the Navigation section:
The Gantry Menu widget should be set to match your site's main menu as it serves as the primary menu widget for the entire site. You can customize this menu by navigating to Administration -> Appearance -> Menus and creating or modifying your selected menu there.
Here is a breakdown of the widget options for this menu widget. Any options not present in this breakdown are left at default and should not be adjusted.
Show All Children
Show Empty Menu
This widget tells WordPress to start a new widget column beginning with the widget placed directly below the divider in the section.
The RokAjaxSearch widget allows users to search your site for interesting content. Here is a breakdown of the options you will want to change to match the demo.
Enter fp-rokajaxsearch in the Custom Variations field.
Leaving everything else at its default setting, select Save.