Necesito un código para sonido envolvente 7.1

Necesito un código para sonido envolvente 7.1, el código de mis auriculares ya está registrado pero no me aparece en mi gmail
 

This translates as:
I need a code for 7.1 surround sound, the code for my headphones is already registered but it doesn't appear in my Gmail.

Hello Son_Marto12,

I'm happy to assist. Could you please send me your headset’s serial number and the email address associated with your account via PM? This will help me verify your information our system. Additionally, for clarity, let’s continue our conversation in English.

*Thread locked to curb the conversation to PMs.