The hardware fingerprint is displayed in registration window
(Sample)
Click on Registration in the left bottom part of the parameters window of Active WallPaper (Sample),
or
Choose Registration in the contextual menu, by right clicking on the icon in Windows system tray area
(near to the clock in the tasks bar) (Sample ),
or
Choose About... option in the same contextual menu, next, click on Registration button.
(Sample).
You must ABSOLUTELY provide to us this number in the registration process, otherwise, we could not send you back your serial number.