Boost your Facebook and Instagram security in 2025 with two-factor authentication—learn how to set it up, manage devices, and protect your accounts now ...

This article explains how to update your Instagram phone number. Additional information covers how to change your phone number for two-factor authentication. Instructions and screenshots apply to the ...

First, download the Microsoft Authenticator app, which is available for iOS and Android, and log in. Select the Security tab, then on the next page you'll see an option to select Two-Factor ...