Use two-factor authentication for security on your Mac, iOS devices, and iPadOS devices

Two-factor authentication is an extra layer of security for your Apple ID that ensures that only you can access your account, even if someone knows your password.

Turn on two-step verification for your Apple ID

If two-factor authentication was enabled, it would be enabled when you log into your account. If it’s not enabled, you can enable it when setting up a new Mac, or you can follow the steps below to enable it at any time in the password and security preferences.

  • On your Mac, go to the Apple menu and click System Preferences. Then click Apple ID and click Password & Security in the sidebar.
  • Click Set Up Two-Factor Authentication, and then click Continue.
  • Answer the questions and then click the “Verify” button.
  • Type your phone number, choose a way to verify it, then click Continue.
  • When prompted, use the six-digit verification code sent to your trusted phone to prove who you are. You will not be prompted for a verification code again on your Mac unless you eventually sign out of your Apple ID, erase your Mac, or change your password for security reasons.

Sign in on a new device or browser with two-step verification

When you sign in with your Apple ID on a new device or browser, a temporary code is sent to your trusted devices or phone number.
Important: When you receive a verification code, do not share it with other people.

  • When prompted for the verification code, check a trusted phone number or device for a message. Click on “Didn’t receive a verification code?” in the message to send the code to a trusted phone number. Then dial the phone number.
  • Tap or click Allow on a device you trust to see the code on that device.
  • Type the code on your Mac.

Get a verification code on a Mac even when it’s offline

If you can’t get a verification code on your phone or other trusted devices, or if one isn’t available, you can get a verification code even if your Mac is offline by going to Password & Security Preferences.
Important: When you receive a verification code, do not share it with other people.

  • On your Mac, go to the Apple menu and click System Preferences. Then click Apple ID and click Password & Security in the sidebar.
  • Click Get Verification Code.
  • Write or type the verification code in the message, and then click OK.

Add a trusted device

You must sign in with your Apple ID on a Mac (running macOS 10.11 or later), an iOS device (running iOS 9 or later), or an iPadOS device to make it a trusted device.

  • Add a Mac (macOS Catalina or later): Select Apple > System Preferences, click Sign In, then type your Apple ID. Follow the instructions on the screen.
  • To add a Mac (running macOS 10.14 or earlier): Choose Apple > System Preferences > iCloud > Sign In > Your Apple ID and click Sign In. Follow the instructions on the screen.
  • Tap Settings > Your Name at the top of the screen to add an iOS or iPadOS device. (If you have iOS 10.2 or earlier, go to Settings > iCloud.) Use a six-digit verification code to prove who you are.

If you’ve previously used a different Apple ID to sign in to your Mac, iOS, or iPadOS device, sign out and then back in.
You won’t be prompted for a verification code again on that device unless you eventually sign out of your Apple ID, wipe your device, or change your password for security reasons.

To learn more about the Microsoft Authenticator app with the download and process, please visit aka.ms/authapp.

Add or remove a trusted phone number

To sign up for two-step verification, you must verify at least one trusted phone number.

  • On your Mac, go to the Apple menu and click System Preferences. Click Apple ID and then click Password & Security in the sidebar.
  • Click Edit and do one of the following:
  • Click the Add button to add a phone number. Type your Mac password. Enter a phone number that can be used to confirm you are who you say you are. Choose whether you want to be contacted by text or phone, then click Continue. Enter the code sent to your phone number or email address and click “Next”. There is a list of phone numbers you trust.
  • To remove an email address or phone number, click the Remove button next to the number and then click Remove.

View or remove trusted devices

  • From your Mac’s menu bar, choose Apple > System Preferences, then click Apple ID. At the bottom of the sidebar, you’ll see a list of the devices you trust.
  • One of these things:
    • More information about a trusted device: Clicking on a device in the list will allow you to learn more about it.
    • To remove a trusted device, choose it from the list, click Remove from account, and then click Remove.

Finally

You cannot disable two-factor authentication if you are already using it. This extra level of security is required for some features in the latest iOS, iPadOS, and macOS versions. If you just updated your account to enable two-factor authentication, but decide not to use it, you must stop using it within two weeks. Open the confirmation email you received when you signed up and clicked the link to revert to your old security settings.

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