https://www.citibank.com.hk/HKGCB/JSO/reg/SetupHelp.do
1. Where can I create my User ID and Password?
Please visit the Citibank Homepage via a desktop or laptop computer and click "First time user? Register now". You can choose to use either your ATM card or Credit card for registration.
For clients using Citibank ATM Card
Input your ATM Card Number and ATM PIN, click on "Continue". You will then receive an Online Authorization Code (OAC) via SMS on your registered mobile phone. After entering the OAC, you can create your own User ID and Password.


