Hi Andy If the soundcard can run on Vista, Windows 7 or Windows XP that generally means all versions and less as otherwise stated. The registered you are seeing is simply a sign, registered trademark and so forth. All the best, Abraham. Sent from my iPhone On 6 Jan 2013, at 20:00, "ANDY COLLINS" <Andy@xxxxxxxxxxxxxxxxxxx> wrote: > Hi all - > > I'm looking at USB sound cards, and compatibility. I have found a Creatives > one that is compatible with Windows 7, Vista registered, and XP 64 bit. > > This laptop is running Vista home premium, is that different to registered? - > > Andy