Which Operating System Am I Using?
Are you unsure of what operating system your computer is running?
Most desktop computers today are running either Windows XP, Windows Vista, or Mac OS X. We’ve put together a quick guide to help you sort them out.
Windows XP
If you are running Windows XP, your desktop will look similar to this:
To determine the actual version of Windows XP that you are running, click the “Start” button in the bottom left of your screen, and then click “Run”.
Type “winver” in the dialog box and then click “Run”.
The specific version of Windows XP that your computer is running will be displayed.
Windows Vista
If you are running Windows Vista, your desktop will look similar to this:
To determine the actual version of Windows Vista that you are running, click the “Start” button in the bottom left of your screen, and then click “Control Panel”.
Click the “System and Maintenance” heading.
Click the “System” heading.
The version of Windows Vista that you are running will be displayed.
Mac OS X
If you are running Mac OS X, your desktop will look similar to this:
To determine the actual version of Mac OS X that you are running, click the Apple icon in the top left of your screen, and then click “About This Mac”.
The specific version of Mac OS X that your computer is running will be displayed.











