In tip 4165, I introduced Microsoft's experimental search engine for Windows 2000.

In tip 4276, I introduced Microsoft's experimental search engine for Windows NT 4.0.

In tip 4277, I introduced Microsoft's experimental search engine for Internet Explorer.

Here is the link for Windows XP:

http://support.microsoft.com/Directory/search_wizard/searchwizard_frame.asp?prodid=winxp