Change Your Account Settings
If you need to make changes to your account information, you can update these from the Settings section in Your Account.
To change account settings:
Go to Your Account and select Change Account Settings under Settings.
Click Edit next to the account information you'd like to update.
Follow the on-screen instructions and click Save Changes.
Click Done after you've completed all your updates.
If you've forgotten your password, go to Reset Your Password.
If you change the e-mail address on your account to an e-mail address that is already associated with another Amazon account, we will ask that you first verify your e-mail address. For more information, go to Verify Your E-mail Address for a New Account .
If you change your e-mail address, all subscriptions and communications preference will automatically be associated with your new e-mail address.