2010 Business TurboTax Federal Return. – S Corporations- C Corporations- Partnerships- Multi-member LLCs- Estates & Trusts Works with Quickbooks. Windows XP is not supported. Must have CD-ROM to install or call Intuit for download (info is on box). Product Identifiers Product Key FeaturesNon-Domestic ProductNoFormatCDModelBusinessOperating SystemsMicrosoft Windows 7, Microsoft Windows 10, Microsoft Windows 8, Microsoft Windows 8.1 64-bit, Apple Mac OS X 10.4, Tiger, Apple Mac OS X 10.3, Panther, Apple Mac OS X 10.2, Jaguar, Apple Mac OS X 10.1, Puma, Microsoft Windows 8.1License CategoryCorporatePlatformWindowsTypeTax PreparationModified ItemNoMin. RAM1 GBLanguageEnglishDimensionsWeight0.25 lbs