Next, you'll need to restore your Mac to factory condition.
Select Keep Copy and follow the additional directions. You need to sign out of your iCloud account. Click Messages in the menu bar on the top left of your screen.Launch Messages from your Dock or the Finder.Sign out of Messages before selling your Mac to someone. Yes, you're going to factory reset your Mac, but you can never be too careful. Click Account in the menu bar on the top left of your screen.Launch Music from your Dock or the Finder.If you leave your Apple ID signed in to a Mac you're selling (or any device for that matter), you're gonna have a bad time. VPN Deals: Lifetime license for $16, monthly plans at $1 & more Sign out of Music