This recipe describes the tasks needed to create an APEX 4.0 application. You should have APEX 4.0 installed or have an account on Oracle's online APEX environment at http://apex.oracle.com and your web browser should be a modern browser like Microsoft Internet Explorer 7 or higher or Mozilla Firefox 1.0 or later. The starting point is the Oracle Application Express home page:
You will see a page where you can choose between database applications or websheet applications. Furthermore, you see already created applications.