Find Your Model ID

find your model ID

Step 1: Click on the Apple menu in your toolbar, then click on "About This Mac."

Step 2: On the About This Mac screen, click on the "More Info..." button.

Step 3 only applies to Lion (OS X Version 10.7) and above: Click on the "System Report" button.

Step 4: The second line listed will be your Model Identifier (Model ID.)