In the long and storied history of digital audio workstations (DAWs), few version numbers carry as much weight as . Specifically, the update denoted by the build number v5.1.0.105 represents the final, most polished iteration of a series that bridged the gap between the "old school" hardware-dependent studio and the modern, plugin-driven powerhouse.
If you have a license and a disc, but your version is showing “5.0.0,” you need the updater. steinberg cubase 5 pro v510105