Template Kits section gives you access to hundreds of designer-made Page layouts, Headers, Footers and Skins which you can use on your site. You can import just that content that you want to have on your website. In Heading Section, you can find the list with the ready Header templates, which can be imported and used on the website. To do this, please, click on the Header preview you want to import.
Click on the button "Import header"