- Go to ( Appearance > Menus )

- Add a new menu if you need a new one.

- Choose it from ( Top Navigation ) dropdown list on the page left.

- To add an Icon to your link simple place the To add an Icon to your link simple place the Font-Awesome class name in the links Title Attribute field and the class will do the rest. IE icon-home

- List icon Here : http://box.agcmaster.com/renovatio/600-retina-icons