Now, assuming you've forgotten your password, according to Apple. If you did that, the box in System Preferences > Users & Groups was set. When you first set up your Mac or upgraded the OS, The Setup Assistant will ask if you want to allow your Apple ID to reset the user (admin) password. For the sake of completeness, I'll reference those methods at the end of this article. Some of them are rather Unix-geeky and can make a novice user nervous. To be clear, there are several technical ways to reset the administrator password on a Mac. Nowadays, there is no install disc provided with OS X, and so an alternative method is necessary. If a user forgot the administrator password, perhaps the simplest way (of several) would be to use that disc to set a new administrator password and regain control of the Mac. In the early years of OS X, the Mac operating system was sold on a DVD.
