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Windows Operating System Version

How to find the version of Windows your computer is running.

There are several ways to determine the OS version on a Windows based computer.

  • The easiest is:
    1. Right-click on the My Computer icon on the desktop.
    2. Choose Properties.
    3. This same screen can be found by going to Start => Settings => Control Panel (or in XP Start => Control Panel) and open up the System icon.
        • Your system version will be displayed in the window that appears.
  • If your computer is running Windows NT, 2000 or XP:

    1. Click on Start.
    2. Select Run.
    3. In the Open field, type winver and click OK.
        • This will bring up a dialog box with the Windows version and service pack information.
  • For more detailed information most Windows computers come with a system information tool. If available it can be found under Start => Programs => Accessories => System tools =>System Information . This can get exact version numbers for Windows and other programs.