It doesn't. There is no relationship between XP x86 and XP x64 except for
the name and the functionality. XP Pro x64 has its own upgrades and service
packs along with its sister system, Windows 2003.
"DP" <> wrote in message
news:...
>
> http://www.informationweek.com/news/...d=nl_IWK_daily
>
> Where does XP X64 fit into the scheme of things regarding SP3? I realize
> the RC mentioned in the article is not for X64. But does that mean
> there'll be one coming soon for us leading-edgers? Or does X64 not need
> the fixes that SP3 contains?
>