LYCOS RETRIEVER 
Windows Xp Activation: Windows Xp Home Edition
built 217 days ago
You'll need to change theProduct Key to something legitimate only only for the corporate editions of Windows XP Professional using a compromised or illegitimate key. Windows XP Home Edition and retail versions of XP Professional are not affected by Service Pack 1.
Source:
The two major editions are Windows XP Home Edition, designed for home users, and Windows XP Professional, designed for business and power-users. Other builds of Windows XP include those built for specialized hardware and limited-feature versions sold in Europe and select developing economies.
Source:
(Windows XP Home Edition does... support the Hyper-threading functionality present on some Intel microprocessors. Although it has been reported to work on some dual-core microprocessors available from both AMD and Intel, Microsoft has recommended upgrading to Professional Edition for improved stability and compatibility.)
Source:
MORE ABOUT
Windows Xp Home Edition