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.

Sure enough, our XP Pro 32-bit desktop didn't want anything to do with a Windows 7 Ultimate 64-bit install disc, lacking even the dignity to display a friendly dialog box.

Boot Camp Install If you own a Mac, you’re looking at a Boot Camp installation of 7. Both 32-bit and 64-bit versions can work, but older Macs are best sticking to the 32-bit version.

If you wish to install Windows 7, 32-bit, on a PC with say less than 512 MB RAM, you can try to install it with 512 MB RAM and then once installed, remove some memory leaving only say, 256 MB RAM.

Windows 7 is free for now, and works extremely well on netbooks. That said, installing the OS on these tiny laptops—especially low-end models—can be daunting. Here’s how to do it, the easy ...

When Windows is installed on your computer it can be installed as a 32-bit version or a 64-bit version. For most people, whether they use a 32-bit or a 64-bit version of Windows does not make a ...

Here's how to legally download Windows 7 and make your own install disc. This way you don't have to deal with bloatware or fuss with the limited options of the Restore disc that came with your PC.

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 ...

Download the 32-bit version of Windows 7. It's a big download, more than two gigabytes, so you'll be waiting a little while. Burn the .iso file to a DVD to create a Windows 7 install disk.