QAD QAD QXtend 1.8.8 > Install Guide > System Requirements > Software Requirements > QXO Server Requirements
  
QXO Server Requirements
The following software must be present on the QXO server at the time of installation:
A complete Progress OpenEdge 11.1 or higher installation including the following components:
Enterprise RDBMS
4GL Development
OpenEdge Application SVR Enterprise
Client Networking
Java Runtime Environment (JRE), version 1.6 or higher