Trying to get a product key

[Mo_Adel (mohammed_Adel)]

Greetings
I have 4 herelink devices ,
I updated their firmware now they require a product key, I hope that someone could help me on this issue
the SN of the 4 devices are:

6254ce8d
6c73ce09
6654d1e3
669ca3e4
please feel free to reach out