To find your Operating System information in Windows Vista:
- Click Start in the lower left Taskbar.
- Select Control Panel.
- Select System and Maintenance.
- Select System. The Windows information is in the top section.

To find your Operating System information in Windows 2000 or XP:
- Click Start in the lower left Taskbar.
- Select Control Panel.
- Select System. The Windows information is in the top section of the General tab.
See also: Where can I download the latest service pack for Windows XP?

