Because much of the example menus are redundant for our goal, we'll delete them. Not to worry—you can always create new menus. We'll just delete the specific instances of the menus that were used in the example site.
Go to Menus | Menu Manager. Select three example menus you won't be needing any more, namely About Joomla, Australian Parks, and Fruit Shop. Do not select Main Menu, Top, and User Menu. We'll keep these three more generic menus because we can re-use them in our new site.
Click on the Delete button. A warning message appears; click OK to confirm you want to delete the menus and their contents and associated menu modules. You'll see a confirmation message and have just three menus left in the Menu Manager screen:
Although we'll keep the Main Menu, we don't need the redundant links it contains (to content that has just been deleted). The only link we need to keep is the Home link, as it's necessary for any Joomla site to function properly. You'll...