To use a code generator app on Facebook, for example, go to Settings > Security and Login > Use two-factor authentication > Authentication App. Facebook will then display a QR code you’ll have ...

For Instagram, open the app, go to your profile tab and tap the menu button (three horizontal lines, top right). There, go to Settings, then Security, and finally tap on Two-Factor Authentication.

You can use the new iOS 18 Passwords app to add and use two-factor codes for any website or app. There's a convenient autofill option, and even if an app doesn't support autofill, you can use the ...

One of the best ways to protect any online account is by using two-factor authentication (2FA). 2FA offers hardened security during login attempts by requesting that the user provides an extra ...

Autofill for verification codes in iOS 26 and macOS Tahoe gets big upgrades with support for third-party messaging, email, ...

Proton Authenticator is positioned as a privacy-focused alternative to authentication apps from Google, Microsoft, Authy, and Duo. It replaces legacy SMS-based verification by generating unique ...

For those unfamiliar, a two-factor authentication code is an additional layer of security that can be requested when logging in to a website or app.

If you do not have a code for your account, you will not be allowed access, which is why two-factor authentication is an essential additional step for security.

Instead, using an authentication app such as Google Authenticator or 1Password (with it’s built-in 2FA code generator) is much more convenient and secure.