All our samplesets are designed to work with HauptwerkTM, the premium Virtual Pipe Organ software from Milan Digital Audio. You can download Hauptwerk from the link below. This link directs you to the main downloads page on the Hauptwerk server operated by Milan Digital Audio. From this page you will be able to download the latest version of Hauptwerk for your operating system, currently Windows and MacOS are supported. The Hauptwerk download includes the program and also the St.-Annes Moseley sample set. The downloaded Hauptwerk software will work as Free Edition, in Evaluation Mode and as Basic Edition and also Advanced Edition, once you have purchased a license from them.