How to wipe my MacBook Air for a new user

Bayleigh13 Said:

"How to wipe my MacBook Air for a new user: i am giving my old MacBook Air to my sister and want to wipe out my data"

-------

When Giving Away a Mac:

Make sure she has her own Apple ID. You should not share an Apple Account with others.

Youll need to do a bit more than that:

What to do before you sell, give away, trade in, or recycle your Mac - Apple Support