32 or 64-bit Operating System
Which operating system (OS) does your computer have?
An often confusing topic for most people made worse by the fact that the designation
for a 32-bit machine is x86 while a 64-bit machine is x64. Fortunately, it's easy
to tell what kind of OS you have. Follow these instructions for
Windox 7, Vista, and XP to find out if you have a 32 or 64-bit OS.
Windows 7 & Vista
- Click on the round Windows Start button in the bottom-left corner of your screen.
- Right-click on the Computer menu item.
- Select Properties (see red circle) from the popup menu.
- Note that the system type on my Win 7 system is 32-bit (circled red below).
- Click on the oval Windows Start button in the bottom-left corner of your screen.
- Right-click on My Computer and then click on Properties.
- In General tab of the System Properties, if you see the words "x64 Edition" in
the System group, you are using a 64-bit OS. Otherwise, you are using a
Last updated: 5/17/2013
Compatibility: Windows 7, Vista, & XP