Windows 7 Professional Version has everything for work and home, including all the Home Premium features you love and the business features your work demands. Connect to company networks easily and safer and share files across the various PCs at home. In addition, you can run many Windows XP productivity programs in Windows XP Mode and recover your data easily. Product Feature: 1.Run many existing productivity and business programs designed for Windows XP as additional necessary software is available for download, free-of-charge from Microsoft; 2.Back up your files to an external hard drive, secondary hard drive, writable CD or DVD; 3.Make advantage of the powerful diagnostics and troubles built into Action Center to resolve many computer problems on your own; 4.Use Home Group to connect your PCs running Windows 7 to a single printer; 5.Interact with any compatible device connected to your computer see device pictures and run common tasks from a single window. Requirements: 1 GHz or faster 32-bit (x86) processor ; 16 GB available disk space for the download version, an additional 3 GB is required ; 1 GB RAM or more; 16 GB available hard diskspace ; DirectX 9 graphics processor with WDDM 1.0 or later driver .