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 ...

The promise of an easy transition between 32-bit and 64-bit editions of Windows is easing the minds of many users, but PC vendors and the major software houses may see things differently.

There's a difference between 64-bit and 32-bit operating systems, and it involves your PC, too.

The most concrete news to come out of Microsoft’s well-executed leak of a few sparse details about the next version of Windows is that it will continue to come in both 32- and 64-bit editions.

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 operating system installation in Control Panel.

AMD is demonstrating 64-bit versions of Windows, Apache and other applications on Opteron systems, showing off the chip's 32-bit and 64-bit abilities ...