The evolution in computing horsepower is more of everything—first it was more gigahertz, then more cores, and on top of that, more bits for the integer registers inside the CPU. Whereas 32-bit ...

There are a lot of PC users out there running 64-bit Windows instead of 32-bit, but who either don’t realize it or just haven’t bothered installing the 64-bit versions of their favorite programs. At ...

Every few years, we encounter a massive change in computing standards, like when televisions went from black and white to color, or when serial and parallel ports were replaced with USB. These days, ...

If you have bought a PC in recent years, in all probabilities you have a 64-bit version of Windows 11/10. Unlike 32-bit (x86) Windows installation that permitted the installation of only 32-bit ...

It's a decades long war and there is no clear winner yet, no matter what both camps are claiming. Windows has its numbers but Mac has its loyal and passionate followers. But, even those from Apple's ...

The Sysnative folder in Windows 64-bit is a virtual folder and an alias that points to the System32 folder on 64-bit systems. It doesn’t exist physically on your system. This post explains the ...

Sixty-four-bit computing is here and available to systems builders now. Although recent advances in 32-bit processors have been impressive, the idea of data coursing through 64-bit wide registers at ...

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 ...

Mozilla has finally, finally introduced a 64-bit version of Firefox for Windows with the recent release of Firefox 43. There were already 64-bit versions for Mac and Linux. Windows users, however, ...

— -- Question: I'm preparing to buy a new computer, but most of the ones I see run 64-bit Windows 7. I've been using 32-bit. Will my programs still be compatible? Answer: The short answer is yes.

Mitch Tulloch is a Microsoft Most Valuable Professional and lead author of the Windows 7 Resource Kit from Microsoft Press. You can follow him on Twitter at ...