Printed on a sticker on the original software CD sleeve or the retail box.
If you are using a Terratec "Grabby" or similar video grabber, ensure you have the correct software installed, as the hardware itself may not always come with the standalone Home Cinema license unless bundled. terratec home cinema serial number best
The “best” serial number is simply the one attached to your specific device. Using an incorrect or fake serial number will result in driver failures, software rejection, or inability to update. Printed on a sticker on the original software