After initial set up you still have access and ability to change your MFA Settings. 

How To Update Account MFA settings

  1. Select Settings < Users < MFA
  2. Select your preferred form of Multi-Factor Authentication
  3. To update your MFA setting you will be required to enter your current password
  4. Follow MFA setup steps located here.

Looking for something else?

  1. Get started with MFA
  2. Authenticator Apps