How do I find out what version of Windows is running on my computer?

  1. Click the Start button.
  2. Click "Control Panel" to open the Control Panel window.
  3. Double-click the "System" icon to open the System Properties window.
  4. Read the information in the upper-right section of the General tab to obtain your version of Windows.  In the example below, it states that the computer is running Windows XP Service Pack 2, which translates to XP SP2.