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Chapter 1. Introducing Windows XP Profes... > What’s New in Windows XP Professiona...

What’s New in Windows XP Professional?

Now that you know Windows XP’s family history, you’re ready to find out what new features Windows XP Professional brings to the Windows family. One of the questions people ask me as I write books about each new version of Windows is whether the new version is different enough to justify upgrading. The Windows XP family is a major upgrade from any previous version of Windows, and the jump from Windows 98 or Windows Me to Windows XP Professional is as massive a jump as the one from Windows 3.1 to Windows 95 was a few years ago. Windows XP Professional isn’t just a much-improved version of the Windows 2000 family, preserving Windows 2000 Professional’s corporate networking and security features, but is also a superset of Windows XP Home Edition, which integrates improved versions of multimedia and recreational features originally introduced by Windows 98 and Windows Me. Thus, whether you want an operating system ready for the corporate desktop or are looking to add multimedia and recreational features to your corporate operating system, Windows XP Professional can do the job. Thus, Windows XP Professional can be used to replace both Windows 2000 and the long-lived Windows 9x family on corporate desktops.

How big a change is Windows XP? Estimates are that by the time it was released, it contained about 40 million lines of code (see Table 1.1). That’s more than one-third more code than its immediate predecessor, Windows 2000, and plenty of room for its new and enhanced features.


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