What is OTP? Forgetten? How to set up OTP?

OTP generates a verification code using Google Authenticator.

OTP is mainly based on the time difference as a server and password generator synchronization conditions.

When needed, use the password generator to generate a one-time password to enhance security.

Installation and setting method is as follows:

Android users:

https://support.google.com/accounts/answer/1066447?co=GENIE.Platform%3DAndroid&hl=en&oco=0

iPhone / iPad users:

https://support.google.com/accounts/answer/1066447?co=GENIE.Platform%3DiOS&hl=en&oco=0

Note: Use Google Authenticator. Your system's time zone, date, and time must be correct.