Two-step authentication adds extra security by making it harder for someone else to log in to your account, especially if they steal your password. After you enable two-step authentication, when someone attempts to log in to your account with your password, Firefox will also ask for a verification code from an authentication application for proof that it’s really you. '''Notice:''' As of March 2021, 2FA is [https://blog.mozilla.org/addons/2021/03/11/two-factor-authentication-required-for-extension-developers/ required for extension developers]. =How do I enable two-step authentication?= ==Step one== Before you get started, download one of the following authentication applications: *Authy 2-Factor Authentication **[https://authy.com/download/ Windows and MacOS] **[https://play.google.com/store/apps/details?id=com.authy.authy Android] **[https://itunes.apple.com/us/app/authy/id494168017?mt=8 iOS] *Google Authenticator **[https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2 Android] **[https://itunes.apple.com/us/app/google-authenticator/id388497605?mt=8 iOS] *Duo Mobile **[https://play.google.com/store/apps/details?id=com.duosecurity.duomobile&hl=en Android] **[https://itunes.apple.com/us/app/duo-mobile/id422663827?mt=8 iOS] *FreeOTP **[https://play.google.com/store/apps/details?id=org.fedorahosted.freeotp Android] **[https://itunes.apple.com/us/app/freeotp-authenticator/id872559395?mt=8 iOS] *andOTP (Android only) **[https://play.google.com/store/apps/details?id=org.shadowice.flocke.andotp Google Play] **[https://github.com/andOTP/andOTP/releases GitHub] **[https://f-droid.org/en/packages/org.shadowice.flocke.andotp F-Droid] *KeepassXC **[https://keepassxc.org/download/#linux Linux] **[https://keepassxc.org/download/#mac MacOS] **[https://keepassxc.org/download/#windows Windows] ==Step two== Now that one of the applications is installed, we can set up two-step authentication in Firefox: {for fx88} #Click on the menu button [[Image:menu button retina|width=40]] at the top right corner. #Click Firefox Accounts from the menu (it will show your email address if you're signed in.) #Click {menu Manage Account}. The Firefox Accounts Settings page will open. #Under ''Security'', click the {button Add} button next to '''Two-step authentication'''. A QR code will display. #Open the authentication app of your choice. #Use the app to take a photo of the QR code, or click '''Can’t Scan Code''' to display a code to enter into the app. #Enter the code generated by the app into the Firefox Accounts Two-step authentication section and click ''Continue''. #Download or print the recovery codes and keep them in a safe place in case you lose access to your authentication application. #Copy one of the recovery codes and click ''Continue''. #Paste the code and click ''Finish''. {/for} {for not fx88} #[[Template:optionspreferences]] #In the ''Sync'' panel, click '''Manage account'''. #Expand the Two-step authentication section by clicking {button Enable…}. #Open the authentication app of your choice. #Use the app to take a photo of the QR code, or click '''Can’t Scan Code''' to display a code to enter into the app. #Enter the code generated by the app into the Firefox Accounts Two-step authentication section. #Download or print the recovery codes and keep them in a safe place in case you lose access to your authentication application. {/for} The setup of your two-step authentication is now complete!

Two-step authentication adds extra security by making it harder for someone else to log in to your account, especially if they steal your password.

After you enable two-step authentication, when someone attempts to log in to your account with your password, Firefox will also ask for a verification code from an authentication application for proof that it’s really you.

Notice: As of March 2021, 2FA is required for extension developers.

How do I enable two-step authentication?

Step one

Before you get started, download one of the following authentication applications:

• Authy 2-Factor Authentication
  • Windows and MacOS
  • Android
  • iOS
• Google Authenticator
  • Android
  • iOS
• Duo Mobile
  • Android
  • iOS
• FreeOTP
  • Android
  • iOS
• andOTP (Android only)
  • Google Play
  • GitHub
  • F-Droid
• KeepassXC
  • Linux
  • MacOS
  • Windows

Step two

Now that one of the applications is installed, we can set up two-step authentication in Firefox:

The setup of your two-step authentication is now complete!