For the plug-in components (Audit Viewer, Global Audit, Audit User and Validatrix Configuration) you are able to hover over the plug-in name in plug-ins area of RE and you will see the version. This information is also available in the About box of each respective plugin.
For the Audit Trail Client application which is normally invisible on a workstation you are able to see the version as follows.
In RE on the main menu, go to the tools menu and select Run DLL Macros as shown below
On the next screen select Show.Audit_Trail_Client.Version and Run
This will bring up a pop up with the version details.
