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 available ...

Just before Christmas, Microsoft finally made Release Candidate 1 of Windows XP Professional x64 Edition available to testers. The server variant is also now available. After repeated delays, Windows ...

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.

XP 64-Bit Edition Version 2003. Windows XP 64-Bit Edition Version 2003 is optimized to enable customers to take advantage of the performance enhancements in the Intel Itanium 2 processor. Windows XP ...

Add Yahoo as a preferred source to see more of our stories on Google. Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your ...

Ask Ars was one of the first features of the newly born Ars Technica back in 1998. And now, as then, it’s all about your questions and our community’s answers. Each week, we’ll dig into our bag of ...

The transition to 64-bit computing has accelerated with the release of Windows 7. Figures published by Microsoft today claim that nearly half of Windows 7 installations—46 percent—are using 64-bit ...

For most would-be Windows 7 users, a 64-bit version of Windows 7 is the right move. But if you don’t have sufficient RAM (at least 4GB), or you rely on devices that don’t have supporting 64-bit ...