Header Type 3 – is vertical – left and open by default

To set header type 4 navigate to Theme Options > Header > Header Settings and select type3 to Header Layout option.

The elements from menu can be edited from admin-Appearance-Menus

The vertical menu works with widgets. You can add widgets before and after the menu from Admin -Appearance Widgets.

This is how it looks in front end – https://seattle.wpresidence.net/