Upgrade Paths For Windows XP: Supported
Upgrade Paths For Windows XP: Supported
This supported upgrade paths for Windows XP.
Microsoft Windows 3.x
No supported upgrade paths
Microsoft Windows 95
No supported upgrade paths
Microsoft Windows 98, Microsoft Windows 98 Second Edition, Microsoft Windows Millennium Edition
Windows XP Home Edition Retail (Full) Version
Windows XP Home Edition Upgrade Version
Windows XP Professional Retail (Full) Version
Windows XP Professional Upgrade Version
Microsoft Windows NT 3.51 Workstation
No supported upgrade paths
Microsoft Windows NT 4.0 Workstation
Windows XP Professional Retail (Full) Version
Windows XP Professional Upgrade Version
Microsoft Windows 2000 Trial Edition
No supported upgrade paths
Microsoft Windows 2000 Professional
Windows XP Professional Retail (Full) Version
Windows XP Professional Upgrade Version
Microsoft Windows NT 3.51 Server
No supported upgrade paths
Microsoft Windows NT 3.51 Server with Citrix
No supported upgrade paths
Microsoft BackOffice Small Business Server
No supported upgrade paths
Microsoft Windows XP Home Edition
Windows XP Professional Retail (Full) Version
Windows XP Professional Upgrade Version
NOTES
Microsoft does not support upgrading Windows XP Home Edition with Service Pack 1 (SP1) to Windows XP Professional without SP1.
All Versions of Windows NT 4.0 (Workstation, Server, Enterprise, and Terminal Server) require Service Pack 5 to be installed prior to upgrading to Windows XP. However, as noted earlier in this article, you cannot upgrade any of the Windows NT 4.0 Server products to Windows XP Home or Professional editions. To obtain Service Pack 5, visit the following Microsoft Web site:
http://www.microsoft.com/windows
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