Find out your ideal Nums™ in 4 easy steps.

01

Choose your Mac notebook

MacBook Air

02

Choose the screen size of your Mac

11-inch

03

Choose the year of your Mac

2012

04

Confirm more details about your Mac

  • Find the model of your Mac before selecting with us.

Find the model of your Mac 

before selecting with us.

Here is your Mac, right?

MacBook Air (11-inch, Mid 2012)

Choose About This Mac from the apple menu  in the upper-left cornerof your screen. You should see an Overview of your Mac.