All Maximizer system licences are uniquely defined by the licence product serial number. 

In order for us to process an order for any kind of licence that is an addition to,  or  an upgrade of an existing Maximizer system you must provide us with this identifier for your system.  This number will be checked by Maximizer Software and your order can be rejected if the number provided can not be validated.

What does my Maximizer PSN look Like?
The PSN for most Maximizer systems is a 10 to 14 digit number similar to of a format similar to this: 11279100000000 different versions of Maximizer have slightly different formats of number, some older numbers may include a hyphen ("-").

Where Can I find my Maximizer PSN?
You will find your PSN easily in one of two places:

•     On your most recent existing Maximizer Licence document.
•     On the form displayed in Maximizer from the menu Help\About (see the example below)