It wasn't always this way; Windows 2000 and the Windows XP with no service packs installed both set the limit simply to 4GiB total memory, and will use full 64-bit addresses if necessary ...

If you want to know if an installed software or program is 32-bit or 64-bit, then 1 of these 4 tricks will tell you if it is a 32-bit or 64-bit app.

Finding out whether you're using the 32-bit or 64-bit version of Internet Explorer in Windows 8 is as simple as finding out which version of Windows you're using.

This post tells you how to find out whether your computer is running a 32-bit version or 64-bit version of the Windows operating system or hardware.

With the upcoming release of Windows 7, the question is raised again on whether you should install the 32-bit version (x86) of the operating system or move up to 64-bit (x64). This is something ...

Identifying your system type is also important when upgrading. If you're running a 32-bit version of Windows, upgrading to 64-bit can help unlock the full potential of your computer.

Skeptics will rejoice to learn that 64-bit Windows isn’t load-and-run compatible with many, if not most, 32-bit Windows applications.

No. 64-bit Windows will not run on 32-bit architecture, and, in fact, you can't even install it. That said, you can install and run 32-bit Windows on any hardware, both 32-bit and 64-bit.

According to Mozilla statistics, 92% of Windows users have more than 2GB of RAM, meaning most 32-bit Firefox users on 64-bit Windows will receive the 64-bit version in September.