don't have a usb-elicenser i just doing a trail for nuendo 6

Just downloaded a free trail for nuendo 6.5 got an activation number put it in everything went through then I tried to open the program and its saying I need a usb-elicencer or something like that what is it I did not receive one with my trail download and do I have to pay for one to get one for my trail what is going on with this someone please help.

Yes, you need a USB e-licenser for the trial. About $28 on Ebay: