Go to the Citibank credit card website at citicards.com.
If you already have registered for online management, click "Sign on now." and enter your user ID and password to check your Citibank Credit card account. If you are a new user, click "Register now."
Enter your credit card number and click continue.
Create a user ID and password. Click "Continue." Choose your security questions from the drop-down box. Click "Continue."
Choose the services you want to access online from the options menu. Click "Continue" and your registration is complete. You can now check your credit card account online. The services you have chosen are listed. Click the appropriate box to access the facility you want.