Using Joomla!'s Frontpage Manager feature is just one option for how to create your website's homepage. You can also simply create an article that you would like to be your homepage. To do this, follow these simple instructions.
Go to Menus > Main menu. Click "Home." Then click the "Change type" button at top under Menu Item Type. Select "Article," then "Article Layout." At right, under Parameters (Basic), click the "Select" button. This will bring up a list of your articles. Click on the title of the article you want to be your homepage. Then click "Save" or "Apply" at top.
To see video tutorials on this method of creating your homepage, please visit this link and follow steps 2 and 3.