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.

The critical architectural flexibility that allows customers to run their current 32-bit applications on Windows XP 64-Bit Edition also will allow those customers to seamlessly upgrade to 64-bit ...

Since Windows XP Pro 64-Bit was released, there has been a lot of speculation of whether it would help current gaming or anything else in general. I put both versions of the OS through a round of ...

A few editions of 64-bit Windows 7 provide a Windows XP Mode that solves some backward-compatibility problems, but it isn’t a universal panacea.