Key Enter AVG 2017

Hello Roman,

We are sorry for the inconvenience caused.
If you don't have the option to enter the purchase code then the program should be AVG Zen.
Unfortunately, we couldn't find any subscription details on your account.
In this case, we request you to contact our technical chat support using this link: https://support.avg.com/support_tech_chat to locate the account and also get assistance with the installation.
Thank you.

Hello Roman,

We are sorry for the inconvenience caused.
If you don't have the option to enter the purchase code then the program should be AVG Zen.
Unfortunately, we couldn't find any subscription details on your account.
In this case, we request you to contact our technical chat support using this link: https://support.avg.com/support_tech_chat to locate the account and also get assistance with the installation.
Thank you.

Hello, how can I enter my purchased code in AVG antivirus 2017? 
For options is no selection for the input. 
Thank you very much