The Virus TI Installer is the final official release for macOS from Access Music. While it provides the best performance for older systems, its compatibility with modern macOS versions (Catalina and later) is severely limited. Core Compatibility
: Improves the user experience when sharing a Virus TI unit between Mac and PC environments.
Sites like AURA Plugins offer "Virus TI USB Plugin I/O" drivers and editors that can restore some functionality on modern systems.
: This installer works perfectly on versions from Lion through Mojave. In these environments, you get full MIDI and audio over USB.