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Knowledge Base

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. You can also try using our automated support details tool which may be able to identify which operating system you are using.


Windows Computers

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

Check for operating system information in Windows 10

  1. Go to Start , enter About your PC, and then select About your PC.
  2. Look under PC for Edition to find out which version and edition of Windows that your PC is running.
  3. Look under PC for System type to see if you're running a 32-bit or 64-bit version of Windows.

Check for operating system info in Windows 8.1 or Windows RT 8.1

  1. Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.)
  2. Tap or click PC and devices, and then tap or click PC info.
  3. Look under Windows for the version and edition of Windows that your PC is running.
  4. Look under PC for System type to see if you're running a 32-bit or 64-bit version of Windows.

Older Versions

  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.

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

Some older 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.
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