Intuit TurboTax Deluxe 2011 Federal & State Returns + E-File for Windows and MAC is the perfect software for tax preparation. This CD format software is designed for both Windows and Mac operating systems. It has a minimum hard drive space of 500 MB, minimum RAM of 512 MB, and minimum processor speed of 1 GHz. The software is available in English language and is perfect for individuals who want to prepare their tax returns. It includes both federal and state returns and has an E-File feature for easy filing. This TurboTax Deluxe software is a retail product and is manufactured in the United States. Get your hands on this software and prepare your tax returns with ease.