I understand that you didn't receive the 7.1 Surround Sound activation code. To isolate the issue, please try to check your spam/junk folder. Also, try to look for email filters that might have redirected it. If you need further assistance, feel free to PM me with the following details so I can initiate a case on your behalf:
Full Name:
Email:
Phone Number:
Country:
Product Name:
Product Serial Number:
Place of Purchase: (seller's website or physical store address)