When you want to sell your mac or prepare it for a new user in the family, you can follow the next steps.
Step 1
this step is optional and not needed if you already have everything backed up on the cloud or on a time machine.
Step 2
De-authorize your iTunes account.
Sign out of your services:
- iCloud
- Messages
- Facetime
- Appstore
- iTunes
Step 3
Reboot your mac in recovery mode by pressing command + r. Select diskutility and format your disk. As security option, I would always recommend the most slow but secure option…
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