32-bit and 64-bit Windows: Frequently asked questions

Applies to: Windows 7

Here are answers to some common questions about the 32-bit and 64-bit versions of Windows. The following mostly applies to Windows 7.

What is the difference between 32-bit and 64-bit versions of Windows?
The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than a 32-bit system.