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:

Windows XP Desktop

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”.

Windows XP Start Menu

Type “winver” in the dialog box and then click “Run”.

Windows XP Run Dialog

The specific version of Windows XP that your computer is running will be displayed.

Windows XP winver.exe

Windows Vista

If you are running Windows Vista, your desktop will look similar to this:

Windows Vista Desktop

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”.

Windows Vista Start Menu

Click the “System and Maintenance” heading.

Windows Vista Control Panel

Click the “System” heading.

Windows Vista System and Maintenance Panel

The version of Windows Vista that you are running will be displayed.

Windows Vista System Panel

Mac OS X

If you are running Mac OS X, your desktop will look similar to this:

Mac OS X Desktop

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”.

Mac OS X Desktop

The specific version of Mac OS X that your computer is running will be displayed.

Mac OS X Desktop