CHECK COMPATIBILITY BEFORE PURCHASING!!! Disc in very good condition. Compatible with software that can support Apple Loops such as: Garageband, Soundtrack, Logic Pro & Express Software. Additionally Apple Loops can also be treated as Aiff files and loaded into any software on any platform that supports this basic file format. Please ensure the item is compatible with your system BEFORE purchasing. Requires a minimum Mac OS 8.1 or later, built for Mac OSX.