The latest version of Windows mainly signifies a vital transform from the previous version. Since Windows95 which was released after the successive versions had only been a development from the original, yet on this time a more important change was formed due to the kernell of the operating system has been changed. While it may seem to the user that there is no radical changes are been made, it could be said that Windows XP is not just another version of Windows but almost a whole new system. Till now Microsoft had only two dissimilar operating systems, Windows 98 for personal or domestic use and Windows NT/2000 for the business and professional situation. With Windows XP a meeting of both versions is produced; the center of the operating system Windows 2000 was divided in order to create Windows XP and some other modification which had done due to the separate Windows XP Home Edition and Windows XP Professional. The main advantage of this helped the domestic users for going to be Windows XP has got the durability and stability of WindowsNT/2000, which should rely imply that Windows XP will crash in less times, and that there will be a fewer event when we have to restart the system as a result of an error. The improvement for professional users is that Windows XP has greater compatibility with respect to hardware than WindowsNT/2000.