how to erase macbook air MacOS Sierra 10.12.6 to factory settings?
how to erase macbook air MacOS Sierra 10.12.6 to factory settings?
how to erase macbook air MacOS Sierra 10.12.6 to factory settings?
Follow these instructions: What to do before you sell, give away, or trade in your Mac - Apple Support
how to erase macbook air MacOS Sierra 10.12.6 to factory settings?