If you would like to add Virtual VMX to an existing VMX registration, please sign into your registration HERE and choose "Already Registered". Continue through the form to the Registration Fee page.
Scroll down and choose the Add-On package or items you wish to add. 
Continue through and pay any additional fees to complete your registration additions.
If you have any questions, please email info@navc.com or call our Customer Service team at 352-375-5672.