Hello, if you are asking about two-factor authentication, this has been suggested and asked for. If you are just asking to change your password, then you can do so through the User Center, or through CS.

https://support-center.oasgames.com/

Ahh that system, that system has also been recommended, but I will ensure it is passed along. But please do remember, just because it was incorporated in CN does not mean that it will ever come to our version.