How do I turn on two-factor login?

On the Account page, open Two-factor login and click set up. Scan the setup link or type the key into Google Authenticator, Authy, 1Password or any TOTP app, enter the code it shows, and save the ten recovery codes somewhere safe.

Part of Account and security in the Serpified knowledge base. Answers are kept current with the product; if one is out of date, tell us and we fix it.