Need help to Register Device Herelink!

I have updated my herelink for that I need product key
My serial number is: ****
Model Number: ***

Can anyone help me finding my product key? Thank you so much!

  1. I wouldn’t post your serial number publicly.
  2. I would contact manufacturer support directly.
  3. IIRC it is either on a card that came in the box or a sticker on the device.