McAfee Family Protection 2013, 3u, CD. License quantity: 3 user(s). Minimum hard disk space: 12 MB, Minimum RAM: 256 MB, Minimum system requirements: VGA 1024 x 768 px IE 7.0+ Mozilla Firefox 3+ Google Chrome 8.0+ Ethernet. Compatible operating systems: Windows XP SP2+ (32-bit) Windows Vista SP1+ (32/64-bit) Windows 7 (32/64-bit)