Header V10 is a pre-configured header layout of Konte. To select it, simply go to Customize > Header > Header Layout and select Prebuilt Header as Header V10. With all header layouts, you can select the header background, text color, and set the height in the Customizer. In addition, the Topbar can be configured separately.

This is a vertical header layout that is placed on the left side of your website (on the right side with RTL sites).