The product is a retail version of Apple MAC OS X Leopard v10.5.1 on DVD, specifically designed for Apple Mac OS X 10.5 Leopard operating systems. It requires a minimum of 512 MB of RAM and 9 GB of hard drive space, with a processor speed of 867 MHZ. The package includes an instruction booklet and is compatible with English language settings. The product is manufactured by Apple in Canada and comes with a license for 5 devices.