Turbotax 2006 Premier with state for Windows and Mac. New sealed retail box. Box might be blemished and/or dented slightly. Ideal for doing 2006 taxes. Genuine! For personal federal and state taxes. Includes schedule C for sole proprietor small businesses but does not include Expanded Schedule C guidance. Also includes Schedule SE (Self-Employment Tax). Not for corporations. We’re not sure if this works with newer Windows operating systems such as Windows 7 or 8. The system requirements on the box indicate that it is designed to work with Windows 2000, XP (32 bit) and Vista (32 bit). Also works with Macintosh OS X (10.2.8).