How to Tell Which Operating System You Have

In order to use our support website, you must know which operating system you have so you can follow the proper set of instructions. This article will tell you how to determine which operating system you have installed.

Windows Computers

Follow these steps to see which version of Windows you have installed:

  1. On the Desktop, locate the icon labeled "My Computer."
  2. Point the mouse at the icon, then click the right mouse button.
  3. In the popup menu which appears, choose "Properties."
  4. After a few seconds, the System Control Panel will open.
    1. Click the tab labeled "General."
    2. The version of Windows you have installed will be clearly displayed.

Alternate Method

All versions of Windows display a boot screen which clearly indicates the version installed. To see this screen, follow these instructions:

  1. Turn on the computer’s monitor, then turn on the computer.
  2. Watch the monitor as your computer boots. You will see a graphic display which will clearly indicate which version of Windows you have.

Macintosh Computers

Follow these steps to see which version of Mac OS you have installed:

  1. Click the “Apple” menu (Apple Menu) in the upper left corner of the screen.
  2. Choose "About this computer...." or "About this Mac" from the menu that appears.
  3. A window will appear which clearly indicates the version of the Mac OS you have installed.

Alternate Method

All versions of the Macintosh operating system display a boot screen which clearly indicates the version installed. To see this screen, follow these instructions:

  1. Turn on the computer's monitor, then turn on the computer.
  2. Watch the monitor as your computer boots. You will see a graphic display which will clearly indicate which version of the Macintosh Operating System you have.