Download MacKeeper and try it for yourself:
[ Ссылка ]
Steps to do when selling, trading in, or giving away your Mac: how to completely erase Mac, factory reset Mac, and reinstall macOS. This works for any Mac Including Macbook, Macbook Air, MacBook Pro, iMac, iMac Pro, Mac Pro, & Mac Mini.
A step-by-step guide to reset a Mac to factory settings: [ Ссылка ]
How to back up your Mac with Time Machine: [ Ссылка ]
Timecodes:
0:00 Intro
0:26 Step one - back up your Mac
0:37 Step two - log out of all the services on your Mac
0:52 Step three - reset your Mac to factory settings
1:03 Step four - restart your Mac in Recovery mode
1:33 Step five - use Disk Utility
2:03 Step six - reinstall macOS
