A valid Cubase Artist 6.5 license is mandatory to use the 6.5.5 installation.
Steinberg Cubase Artist 6.5.5, released around July 2013, serves as a significant maintenance update for the 6.5 version, focusing on stability, bug fixes, and providing a full installation package for this older, "unsupported" generation of software.
Introduction of Padshop (granular synthesizer) and Retrologue (virtual analog synthesizer). Steinberg Cubase Artist 6.5.5
Cubase 6.5 is now considered unsupported software by Steinberg.
Fixed an issue where opening the Score Editor could cause an unexpected shutdown. A valid Cubase Artist 6
64-bit Rewire support, FLAC compression integration for recording, and SoundCloud export connectivity. 6.5.5 Update Fixes & Details
Enhanced lane comping system, along with integrated hitpoint and AudioWarp tools for faster editing. Cubase 6
While it was considered the most stable 6.5 release, it was not officially tested to the same level as earlier full releases. Key Considerations for 2026