PayPal Purchase

Single-User License Purchase

User name:
(found in the Users & Groups system settings. Right-click on the user in the list and choose "Advanced Options…". The user name will be displayed in gray)

Buy now for $15

Computer-wide License Purchase

MAC Address (Ethernet ID):
(found in the Network system settings, under the active network interface, usually Wi-Fi)

Buy now for $25

Site Wide License Purchase

Organization Name:
(the registration number will be based on that name which will have to be entered on each Mac)

Buy now for $500