Setting Up Navigation Links
From the Admin console, select Content > Menus & Navigation
To add any links to your site you must first add a Menu (Link Group). To add a Menu Select the 'New' button in the upper right corner
1. Name the menu and click Save
2. Click the "Add a New Link Button"
3. Enter the Display Text for the Link and set the link type (blog, product category, content page, etc..)
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4. Select the desired page/product/etc. ..
5. Click "Save Button"
6. Submenus can be created my creating additional links and dragging them slightly to the right of the desired parent link.
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7. When your menu is structured as desired click save.