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.

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.

If you're confused about the differences between a 32-bit and 64-bit operating system, we break down the key differences between them. Here's what we know.

Another, faster version of the world's most-used operating system was announced Wednesday by Microsoft Corp. Designed around the new Intel Itanium processor, the new platform will use 64-bit ...