Find the Version externally (file system):In general, if you simply need to know the version of OpenEdge that is installed it is always best to look in the folder where Progress/OpenEdge is installed for a file named 'version'. This directory is also known as DLC, %DLC%, or $DLC.
The DLC/version file is a simple ASCII text file which contains the version in the following format:
OpenEdge Release 11.7.3.007 as of Sun Jul 29 15:17:09 EDT 2018
You can find more information about the version file in Article
How to determine the current Service Pack/Hotfix level of an OpenEdge installation Find the Version programmatically: How to get Progress version and Service Pack / Patch number via ABL? How to find the Progress version using versioninfo.dll?Find the Database Version:It is important to differentiate between version information from the client session and version information of the database server.
How to find the OpenEdge Database Version?How to find installed version information How to read the progress.cfg file in ABL? 
