Posted 22 October 2007 - 07:09 AM
If you're meaning can you obtain a Windows XP upgrade version and use it to upgrade an existing Windows 2000 installation then yes, but you will need to get an XP Professional upgrade. You won't be able to "upgrade" to XP Home as it doesn't have all the features to upgrade Windows 2000.
Some people feel an upgrade is likely to be less stable than a fresh installation of the new OS, but if your existing 2000 installation is sound and you want to preserve everything else as it is, already installed, you should be OK.
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