Second factor means another check
Examples can include an authenticator app, security key or other supported method.
Prefer stronger methods when offered
Services may support several MFA methods with different security and convenience tradeoffs.
Save recovery information safely
Backup codes or recovery methods should be stored securely.
Never approve an unexpected prompt
An unsolicited MFA request can indicate that someone else is attempting to sign in.
General consumer technology information only. Interfaces and menu names change. Before resets, reinstalls, storage changes or other major actions, verify that important data is backed up and use current manufacturer/service-provider instructions.