If you have upgraded from the free version to ZeroError PRO
First activate the pro theme
Go to Appearance -> Themes and activate the ZeroError theme
Go to Settings -> Reading -> Front page displays
click on radio button of Your latest posts
To show the default home page with all sections
Go to Appearance -> Theme Options and click on Restore Defaults in bottom side
Please see the documentation, it will surely help you to install and customize the theme.