I need product key plz

ser8745user103804

I bought a ser8 8745hs several days ago.
now I need a product key.
can I get that?
It is first activation.
thank you.
99.CN3680934NB0
s/n : C87454AG80132
SER8-E-321TBVK0W64PRO-DP/XA

support6

Hello
I have sent you the PM,pls check it in time.