How do I enable Google Two-Factor Authentication?

Two-Factor Authentication: Who Has It and How to Set It Up

Using Two-factor authentication in Outlook - Outlook Tips

Set up two-factor authentication (2FA)

Two-factor authentication adds an important extra layer of security by alerting you if someone tries logging into your account from a device we don’t recognise. Head to your security settings, and scroll down to the 2FA section to turn it on.#PAW2021 | Meta

Two-factor authentication for Facebook