Check Whether Your Windows Vista/XP/2003 System Runs On 32-bit Or 64-bit Version
Some of you might not know whether your PC is set up with a 32-bit (x86) or 64-bit (x64) version of operating system (OS), which requires exclusively built software application. This may either happen because the computer might be gifted to you or you might have set up your PC long time back and forgotten about its version details.
However, you may check whether your PC is running on 32-bit (x86) or 64-bit (x64) version of MS Windows operating system. You just need to use the following procedures to determine the actual version that your PC utilizes: