Log in to the Actum Portal at [https://merchant.actumprocessing.com](https://merchant.actumprocessing.com).

Proceed by choosing the preferred Multi-Factor Authentication (MFA) method.

 For more information about MFA, please refer to our Knowledge Base article at [https://www.actumprocessing.com/knowledge-base/multi-factor-authentication-mfa-how-to-use-via-actum-portal/](https://www.actumprocessing.com/knowledge-base/multi-factor-authentication-mfa-how-to-use-via-actum-portal/).

Alternatively, select Features and Procedures.

Select the Primary Customer ID of the Primary Customer to edit.

Edits can be made to the Contact and/or System Info sections. Upon completion of changes, click on Apply Changes.

For more information on how to find and edit a Primary Customer, please refer to our Knowledge Base article at [https://www.actumprocessing.com/knowledge-base/primary-customers-how-to-create-and-locate-in-actum-portal/](https://www.actumprocessing.com/knowledge-base/primary-customers-how-to-create-and-locate-in-actum-portal/).

How to Find and Edit Primary Customers in Actum Portal