This software provides an easy and efficient way for investors and homeowners to prepare their taxes. With a user-friendly interface and compatibility with multiple operating systems, including Windows XP, Vista, 7, and Mac OS X 10.4 Tiger, H&R Block at Home 2009 Deluxe is an excellent choice for anyone needing to file taxes. It offers unlimited use and comes in CD format for easy installation. The program requires a minimum of 1 GHz processor speed, 1 GB of RAM, and 1 GB of hard drive space. H&R Block is a trusted brand in tax preparation, and this software is manufactured in the United States. It is available in English language and conforms to standard license categories. **Please make sure to research & verify compatibility prior to purchase to ensure this specific product will work with your existing operating system** *Seller is not responsible for compatibility issues* Open product may not be returned!