Install Oracle Application Express by downloading a ZIP file from the Oracle Application Express download page and then configuring Oracle HTTP Server.
mod_plsql is deprecated as of Oracle HTTP Server 12c (12.1.3). For more information, please see My Oracle Support Note 1576588.1. Oracle recommends using Oracle REST Data Services instead.
This section describes how to install Oracle Application Express by downloading a ZIP file from Oracle Technology Network (OTN) and then configuring Oracle HTTP Server with
mod_plsql distributed with Oracle Database 11g or Oracle Application Server 10g and Oracle Database 12c. These instructions apply to both new and upgrade installations.