What is a likely reason for a user to invoke an Upgrade Code?

A user might invoke an Upgrade Code primarily to access premium features. This code is typically associated with unlocking enhanced functionalities and services that are not available with the standard subscription. By entering an Upgrade Code, users can elevate their account to a level that provides them with additional tools, resources, or capabilities, which are aligned with premium offerings.

The other choices—such as changing an email address, updating account permissions, or canceling an account—do not typically require the use of an Upgrade Code. Those actions are generally handled through account settings or customer support without the need for any specific upgrade procedure, making them distinct from the purpose of upgrading to access premium features.