The Serial Number is a unique number issued with every 3D Issue software. It identifies every single copy of our software, and is unique to every customer. They can be used in more than one compouter when issued with a software with multiple licences.

An Activation Key, is a key created by us on customer request. It's used for email / phone / fax activation, or for trial periods extensions. They can only be used once, and they're not interchangeable between computers.