How to check whether my PC is 32 bit or 64 bit?
  How to check whether my PC is 32 bit or 64 bit?      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.        How can I tell if my computer is running a 32-bit or a 64-bit version of Windows?      To find out if your computer is running a 32-bit or 64-bit version of Windows in Windows 7 or Windows Vista, do the following:      1. Open System by clicking the Start button , right-clicking Computer, and then clicking Properties.      2. Under System, you can view the system type.      If your computer is running Windows XP, do the following:    1. Click Start.    2. Right-click My Computer, and then click Properties.      If you don't see "x64 Edition" listed, then you're runni...