The term in the filename usually denotes the last stable release before a major codebase overhaul. For Version 13, this meant the software was incredibly robust. It was less prone to crashing, handled driver conflicts gracefully, and had a polished UI that mimicked the aesthetic of the Windows 7 Aero theme. It felt professional, lightweight, and fast.
Historically, the online installer was aggressive with offers. The ISO version, when used correctly, allows you to enter "Expert Mode" to decline all unwanted software. DriverPack Solution Version 13 - DRPSu13 Final Iso -