How to Generate a Key for Registration of VAS6154A？

Customer :
I installed VAS 6154A With Latest ODIS V24.1.1 and Engineering V18 Software on a Lenovo 450s.
Now it asks for registration info

OBDIISHOP :
Hello , if you bought the product from our website https://www.obdii.shop , you can contact us directly for activation of the software , our sales email address : sales@obdii.shop
After engineer activated , the software working as bellowing :

Customer :
can I use the software with internet on the PC or do I need to keep it offline?

OBDIISHOP :
Hello , if you not have online account , please not use it with internet , keep it offline , thanks