The TurboTax 2013 Deluxe Federal/State Tax Software is a comprehensive tax preparation tool that offers both Windows and Mac compatibility. This CD-based software includes all the necessary features to help users navigate through their tax filings with ease. With a minimum requirement of 1 GB of hard drive space, 2 GB of RAM, and a 1 GHz processor speed, this product is suitable for a single user on either Windows or Mac operating systems. Used once. Ref. B33 000 0126