Menu creation works as in default Wordpress. You can add Pages, Posts and Custom Links to your menu.

To add your own menus go to Appearance > Menus, type Name for your menu and click Create Menu. In next step, in section Theme Locations for position Main menu you need to choose a menu that you’ve just created.

If you want to add special things to menu like portfolio categories, posts categories, classes for links etc. then please click on "Screen options" button in right top corner and there is much more options that can be used for menu items.

Imported Menu Setup

1. Go to the Appearance > Menus menu in your WordPress Dashbord and select Manage Location tab.
2. Select Primary Menu that imported with the demo content.
3. After selectin primary menu then go back Menu Edit and select Primary Menu checkbox located in the Theme Location on the bottom.
4. Save Menu.