However, the security features of the firewall are much more improves as the operating system is mostly connected to the network. The downloads that are made onto the system are carefully monitored by the security protocol. The security features in terms of protecting files are also increased in the business edition.
The newest feature in addition to the other feature of the business edition that can be seen with the latest updates of Windows is the UAC or the User account control feature. In addition to this there are many more new graphical changes such as a new user interface included called 'Windows Aero', redesign of OS interface with glass-like design, windows Flip 3D effect, live thumbnail, and more animations.
You might find a few folks selling Vista on Amazon but there isn't usually any kind of regular stock. The here-and-there copies of Windows Vista you might find for sale from sites you've never heard of are probably selling illegal copies alongside fake or stolen product keys. A number of copies of Windows Vista in ISO format exist floating around various torrent directories, all easy to grab with a free torrent client.