- when you sign in with your password, you will be
prompted to enter a verification code - at the same time, a one - use verification code is sent to an authentication app on your smart device - once you enter this code in the sign - in form, you can use your account as usual - to activate it, simply click on the Edit button next to Two - Step Verification, then follow the instructions - the
service uses Google Authentificator for 2FA with Nintendo Accounts, though it seems other apps work
too