How to use google 2 factor authentication

- How to disable google 2 factor authentication
- How to change google 2 factor authentication device
- How to turn off google 2 factor authentication
- How to turn on google 2 factor authentication
- How to reset google 2 factor authentication
- How to remove google 2 factor authentication
- How to set up google 2 factor authentication
- How does google 2 factor authentication work