What is two-factor authentication (2FA)?
How do I register a security device?
What types of device can I use?
Do I need an authenticator app?
My Windows device only gives me the security key option, how do I register a phone?
How long will my device registration last?
Can I set up 2FA on multiple devices?
Can I disable 2FA once I’ve set it up?
What do I do if my device is lost or stolen?
What happens if I need to remove or change my 2FA device?
I don’t have a smartphone, what do I do?