To do so, reboot the Mac from Recovery Mode and target the primary partition with a secure format. If you change your mind later and decide to maintain ownership of the Mac, you can reauthorize the computer again through the same menu.Įrase all data by securely formatting the hard drive: After you’ve backed up everything and deauthorized the Mac, securely erase the entire hard drive so that none of your personal data can be recovered.
To do so, launch iTunes, pull down the Store menu and choose Deauthorize This Computer. Additionally, Time Machine allows you to migrate everything over to a new machine with Migration Assistant.ĭeauthorize the Mac with iTunes: This process securely erases all data so that no future owner can access it. All your data, apps, and customization will be saved. Using Time Machine is easy. Just connect the Time Machine drive to the Mac, pull down the Time Machine menu icon, and choose Back Up Now. The easiest way to back up your computer completely is through Time Machine. Since many apps are available for downloading again through the App Store, just choose the apps you’ll need. The most important steps before selling or transferring a Mac to a new owner are as follows:īack up everything: Backing up all of your important files and data stored on the Mac is crucial. If you plan on selling a Mac, you will want to take a few measures beforehand, rather than handing the machine off as it is.
