You can modify an account by upgrading or downgrading the package used for the account. This enables you to make wide-ranging changes quickly and consistently according to your pricing and package structure.
To upgrade or downgrade an account:
Click on the Upgrade/Downgrade an Account link in the Account Functions menu.
Click on the domain or user name in the displayed list and click on the Modify button.
Click on the new plan in the displayed list and click on the Change button.
Note: Changing plans does not modify CGI access and does not affect whether they have an IP or not.