ERwin Application Release Versions and Installation Data, Package Codes, Upgrade Codes, GUIDs, and... - CA Technologies ERwin Knowledge Base
Each release of CA ERwin Data Modeler and related ERwin applications have associated data that is specific to each release. That includes installation package codes and upgrade codes (in the form of GUIDs) as well as file and folder information. That information acts as a "fingerprint" that can be used to identify products that are (or may have been) installed on a particular system.
The attached document includes release information and installation data for ERwin releases beginning with the 4.x releases.