This post along with the demo video briefly explains the steps involved in installing Oracle Apex 20.1 and configuring ORDS. ORDS war is deployed in Apache Tomcat. Prerequisites Oracle XE Database JRE_HOME environment variable set to the appropriate JAVA directory SQL*Plus or SQL CLI Apache Tomcat Oracle Apex and ORDS zip downloaded from Oracle downloads Viedo Tutorial https://www.youtube.com/watch?v=57h1uW-E02o