Usually identifies the original physical media (e.g., a 2010 PC DVD-ROM) from which the .zip was created.
If you need to reference this file in a formal context (APA/MLA), use the archival citation format: File: Napoleon.Total.War.zip ...
Within the .zip itself, or associated with its download page, you will often find: Usually identifies the original physical media (e
Lists of every individual file within the archive to verify completeness. How to Cite This "File" Correctly or associated with its download page