Sony Sound Forge Audio Studio 9.0 is a legacy product originally released by Sony Creative Software. Because Sony sold its creative software suite to MAGIX Software GmbH in 2016 (and Sound Forge was later acquired by
Sony Sound Forge Audio Studio 9.0 remains a capable, lightweight tool for basic stereo audio editing. However, as a legacy product, it lacks support for modern operating systems and codecs. While the serial number system protected the intellectual property of the developers at the time, the software landscape has moved forward. For users requiring a modern experience, purchasing a legitimate license for the current MAGIX Sound Forge Audio Studio is the recommended and legal path forward.
Magix (current owner) still sells (as of 2025). It’s the direct successor to version 9.0, with modern features: