The Microsoft Windows 7 Home Premium Upgrade Family Pack includes a DVD for upgrade from Windows Vista, Windows XP, or earlier versions of Windows. This operating system is designed for 3 PCs with a minimum of 1 GB of RAM and a 1 GHz processor speed. The product supports English language and requires a minimum of 16 GB of hard drive space. With a compact design measuring 5.75 inches in length, 8.25 inches in height, and 1.5 inches in width, this Microsoft operating system is a convenient and reliable choice for upgrading your family's computers.There are old notes on front of boxes. Discs are in perfect condition.