QAD 2015 Enterprise Edition > Installation-Conversion > Installation Guide > Installation Summary and Requirements > Software and Hardware Prerequisites > OpenEdge 11.4 Hot Fix
  
OpenEdge 11.4 Hot Fix
To install 2015 EE with Progress OpenEdge 11.4, you must install the appropriate hotfix for your platform:
Linux: OE11.4 Hotfix10 minimum
Windows or UNIX: OE11.4 Hotfix14 minimum