Release Candidate 1 (RC1) of Windows XP Professional x64 Edition is now available: ZDNet has put Build 1289 through its paces.

Microsoft today officially launched the 64-bit version of its primary operating system, Windows XP Professional x64 Edition. The OS has been in the works for some time now, and even freely ...

Windows XP 64-Bit Edition Version 2003 is available to developers now through MSDN® and is scheduled to be available to customers through PC manufacturers in the second quarter of this year. Founded ...

Windows XP 64-Bit Edition for 64-Bit Extended Systems is designed for use on high-performance PCs. This means new customers will be able to extend beyond the 4-gigabyte physical memory limit of 32-bit ...

The software maker announces that a long-awaited high-end version of its Windows XP operating system, intended to compete with Unix, is entering testing.

Diverging from its usual dedication to Intel-based machines, Microsoft has made public a beta version of Windows XP for use on 64-bit computers running the AMD Athlon 64 and Opteron processors ...

There are no 64-bit versions of Windows XP Home or Windows XP Media Center Edition. If you have either of these editions of Windows XP, you're running a 32-bit operating system.

HP will begin volume shipments on Thursday of Itanium 2-based workstations with the new Microsoft Windows XP 64-bit Edition Version 2003 operating system.

But it is interesting to think about what might result if it did. Tiger vs. Windows XP 64-Bit Edition If this were a competition based simply on names Tiger would get my vote.

Unfortunately for those of you new to Apple software, it's buried in support article 301301 which states, "iTunes is currently not supported in Windows XP Professional x64 Edition or any 64-bit ...