If you reside in North America and need to update your ESET account with a new email address, you must follow the steps mentioned below:Use your username or license ID to log in to the ESET eStore.Go to the "Contact Technical Support" page.Select the type of user that applies.For home users, click Home User Support>Other questions or feedback>Update my license information. At the bottom right, click the red button.For business users, click Business & Enterprise Support>Other System Issue or Question>Change account information.Enter your new email address on the Contact Technical Support page. Fill in all the required information, and then click Send. Your request will be processed by ESET Technical Support, and when your email address is updated, you will be notified. ESET Technical Support will contact you via email if more information is needed.