I created two individual pages - a "home" and a "product" page. I want to add these to a page navigation bar. So, this page should contain a navigation bar and two menu elements named "HOME" and "PRODUCT".
How can I achieve this using dotCMS?
In the page properties, check the box "show on menu" for both your pages. Then you can use the navigation tool ($navtool) to build your navigation. See this page in the documentation: