Hi
Your About is found under Pages in the Nav options in admin section. Its what is called a static page. Many themes automatically add new pages to the horizontal navigation, so publish a new page and see if it is added to your Nav, next to the About option. There is a concept called Page Order – a field on the Edit Page screen. Basically, the order items are horizontally displayed is based on the Page Order entry. The default entry is zero. If you have two pages, Welcome and About, and you want Welcome to appear first, make welcome page order 1 and about page order 2.
