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A user account allows you to sign in to your computer. By default, your Mac already has one user account, which you were required to create when you set up your computer. If you plan to share your computer with others, you can create a separate user account for each person.
Watch the video below to learn more about user accounts.
At this point, you may be wondering why you might even need to use separate user accounts. If you're sharing a computer with multiple people—for example, with your family or at the office—user accounts allow everyone to save their own files, preferences, and settings without affecting other computer users. When you start your computer, you'll be able to choose which account you want to use.
Before you create new user accounts, it's important to understand the different types.
Generally, it's safer to be signed in to a Standard account than an Administrator account. If you're signed in as an Administrator, it may actually make it easier for an unauthorized user to make changes to your computer. Because of this, you may want to create a Standard account for yourself, even if you're not sharing the computer with anyone. You'll still be able to make Administrator-level changes; you'll just need to provide your Administrator password when making these changes.
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