The build version is displayed towards the top right of the dialog. In this case DEX was built on the19th. December, 2009 at 13.14 GMT.

Below it is the build version.

View Installation Directory - this displays the file location where DEX has been installed. This included the program itself and all supporting assemblies together with this help file.

View Data Directory - this is where the local database of parts is stored.

Clicking on OK closes the dialog box and clicking on the Help button shows this help topic.