Because the software was updated to roughly 2012, it is a "time capsule" for vehicles manufactured between the late 1990s and 2012. Modern Legacy:

At its peak, it was the go-to resource for independent garages that needed factory-level data without the cost of individual manufacturer subscriptions. Snapshot in Time:

Comprehensive lists and descriptions to help interpret engine and chassis fault codes.

Note: While it can run on Windows 11, users often report needing to disable driver signature enforcement or run the setup as Administrator.