The main support menu is a versatile tool to allow you to create a customized menu of your various support activites. It supports multiple view modes, and you can easily add custom buttons onto the menu.
To create a Joomla Menu item for the support main menu you need to goto your menu under the Joomla backend.
Once on this screen, click the Add button to add a new menu item
Select 'Main Menu' under 'Freestyle Support Portal'
Once you have chosen your menu type, set the title and other parameters like you would a normal Joomla menu. On the right hand side, you are presented with the view options for the Support Main Menu.
Click the save button to save your menu, and it will appear on your websites front-end.
For details on customizing the style of the support main menu, or changing which items are displayed on it see the links below.