NOTE: This is 100% authentic and is the full retail boxed edition of this product. Please use care when shopping from other vendors, especially when a considerable price difference is involved. This and other Microsoft software products are currently being counterfeited from China and sold in the United States. These counterfeit copies will almost look authentic, but they are being packaged with invalid product keys.
Windows 7 Ultimate is the most versatile and powerful edition of Windows 7. It is including the ability to run many Windows XP productivity programs in Windows XP mode. For added security, you can encrypt your data with BitLocker and BitLocker To Go. And for extra flexibility, you can work in any of 35 languages. Get it all with Windows 7 Ultimate.