How do I return my Macbook Air 2016 to factory settings
MacBook, macOS 12.7
Erase your Mac and reset it to factory settings - Apple Support
Here is the guide on how to Reset your Mac.
Hope it helps you!
+1 to @Lord_Poshman's post.
In addition, if you intend to transfer ownership of the Mac to someone else, then it must be properly released from its association with your Apple Account. The guidance for that is here: What to do before you sell, give away, trade in, or recycle your Mac - Apple Support
How do i return to factor settings my 2016 macbook air
