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 the 32-bit version. Follow the steps in the
sections below to find out if your PC is running the 32-bit or 64-bit version
of Windows and what edition of Windows is on your PC.
Computers
running Windows XP
·
Click Start,
right-click My Computer, and then click Properties.
·
If
"x64 Edition" is listed under System, you’re running the
64-bit version ofWindows XP.
·
If
you don’t see "x64 Edition" listed under System, you’re
running the 32-bit version of Windows XP.
The edition
of Windows XP you're running is displayed under System near
the top of the window.
Computers
running Windows Vista or Windows 7
·
Click
the Start button,
right-click Computer, and then click Properties.
·
If
"64-bit Operating System" is listed next to System type,
you’re running the 64-bit version
of Windows Vista or Windows 7.
·
If
"32-bit Operating System" is listed next to System type,
you’re running the 32-bit version
of Windows Vista or Windows 7.
The edition
of Windows Vista or Windows 7 you're running is
displayed under Windows edition near the top of the window.
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