Two-factor authentication on Facebook
Two-factor authentication means two checks are needed before someone can access an account. This gives greater protection to an account.
Here is how to set up two-factor authentication on Facebook when using a computer or laptop.
Select the down arrow on the top right hand corner of the menu.
Select Security and Login from the menu on the left hand side.
Scroll down to Two-factor authentication.
Enter user’s mobile number
If using Facebook on a phone or tablet, Two factor authentication is usually found under Account Settings, Security and Login’, ‘Two-factor authentication’.