Model TurboTax Home & Business Format CD Operating Systems Microsoft Windows 7, Microsoft Windows XP, Microsoft Windows Vista License Category Enterprise Platform Windows, Mac Min. Hard Drive Space 500 MB Min. RAM 256 Family Line Intuit Turbotax RAM 512MB Min. Processor Speed 450MHz or Faster Type Office & Business Package Quantity 1 Product License Version Full Version Operating System Microsoft Windows 7, Microsoft Windows XP, Microsoft Windows Vista, Apple Mac Os X System Apple MacOS X 10, Microsoft Windows 2000, Microsoft Windows Vista, Microsoft Windows Xp