Installation Steps

• Upload all files to the main WHMCS directory.
• In the WHMCS Admin Panel, navigate to Setup > Products/Services > Domain Registrars, activate the registrar module, and enter the provided API Key and API Secret in the corresponding fields.
• Go to Setup > Addon Modules, activate the domain module, and select the Custom Fields you want to use for Tax ID, Tax Office, and Tax Number, then save your changes.