I have a 2012 macbook air for sale. I just did a fresh inslall of Catalina. It works great. Selling it cheap because the battery does not hold charge and some keys are partly erased see pictures. $10 cheaper if I can keep the charger. Technical detailsSize 13 inchProcessor Type Core i5Processor Speed 1.8 GHz Memory 8 GB DDR3Hard Drive 120 GB Solid State driveOperating system Catalina.15Built in wi-fiISight cameraIntel HD 5000 graphics Power adapter includedYou can try it before you buy it.Let me know if you have questions