: MixMeister Fusion 7.4.3 is an older version. While it is supported on older macOS versions, the developer has stated it is not supported on macOS 15 Sequoia . It is generally compatible with macOS 10.7 through macOS 14.
Legacy documentation from Numark lists support for Mac OSX 10.7 through 10.11. Mixmeister Fusion 7.4.3 -MAC- Serial
: A standard for live performance and seamless beat-matching. djay Pro AI : MixMeister Fusion 7
However, users on modern macOS versions (such as Catalina, Big Sur, or Monterey) should be aware of compatibility limitations. Because MixMeister Fusion 7.4.3 is an older 32-bit application, it will not run on macOS 10.15 or later. Users on modern hardware often utilize virtualization or dedicated "legacy" laptops to keep this specific workflow alive. The Question of Serials and Activation Legacy documentation from Numark lists support for Mac
: Supports live performance while allowing for downstream mix previews in headphones. Managing Your Serial Number & Activation
The 7.4.3 update brought several refinements to the Mac platform, focusing on stability and modern hardware compatibility: