To configure your sites navigation menus, navigate to
Appearance → Menus from the admin dashboard.
If you imported the
sample.xml file included with the theme you should already have 2 example menus created, the Off Canvas Menu and the After Header Menu:
After Header Menu from the dropdown and scroll to the bottom of the page. Check the After Header Menu display location and click Save Menu:
Repeat the process for the
Off Canvas Menu, selecting the corresponding display location.