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Platinum Edition Using® Microsoft® Windows® XP by Brian Knittel, Robert Cowart

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Performing an Upgrade Installation

Upgrading an existing Windows installation to Windows XP Professional is a fairly straightforward and simple task. Windows XP Professional supports upgrades from the following operating systems; this is the first step of the upgrade process: determine upgrade capability.

  • Windows 98

  • Windows 98 Second Edition

  • Windows Millennium Edition

  • Windows NT 4.0 Workstation

  • Windows 2000 Professional

  • Windows XP Home Edition

There are no supported upgrade paths for the following list of operating systems. Installations performed from these operating systems will require a clean installation, as detailed previously in the “Performing a Clean Installation” section of this chapter.

  • Windows 3.x

  • Windows 95

  • Windows NT 3.51 Workstation

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