How to set up two-factor authentication (2FA) on your Facebook account

This guide explains how to enable two-factor authentication on Facebook for Android, iOS, and the web, detailing step-by-step navigation to the Accounts Center and options for authentication app, SMS/WhatsApp, security keys, and recovery codes. It emphasizes the security benefits of adding a second factor to protect against account takeover and recommends enabling 2FA across important accounts, with a brief promotional note for identity protection services.