Ensure that no one else is currently logged into Facebook on your computer before entering your email address and password into the login boxes in the top right-hand section of the tab.

Helpful Facebook Sign in tips on how to create, sign up, login, sign out, or log out of Facebook account safely and securely on a private and public computer.

Facebook today announced the launch of Account Kit, a piece of new software third-party developers can add to apps that will let end users sign in with just an email or a phone number — no ...