If the copy has never been registered, no one will ever know if you bought it or not and it makes no difference either.
You should be right well eligible to all that you have asked about.
Your circumstance is the same as buying MS Windows from Best Buy. They bought it from MS and never registered it so you are the 1st "real" owner.
If you wish to get an official response you will have to email [email protected] they are the people that develop and sell the software.
PS Make SURE you get the dongle or it is useless.
www.integratedmechanical.ca