In order to enable the Two Factor Authentication for more security while claiming and managing domains you need to follow the following steps:
1.- Go to Account Settings.
2.- Click on "SET UP TWO FACTOR AUTHENTICATION"
4.- Click NEXT.
5.- Enter the 6-digit code the Authenticator App shows for the Unstoppable Domains Website and click SAVE:
6.- Click on the SEND CODE BY EMAIL button:
7.- Type the Two 6 digits code you received via email to configure the set up:
8.- Your domains are now with another layer of security and the only way anyone can claim or manage them inside the Unstoppable Domains account, will require them to have access to the Wallet and to the Phone you used to configure the Two Factor Authentication code.