How to get product key for herelink

I tried updating my herelink, now I am unable to get a reply from supplier as they are in holiday for this week, can anybody help me to get a product key for herelink.

I missed out my top cover of my herelink pasted on the screen.

SN: HX4-06071-9501455
MODEL : HX4-06075

It should on the box.