On line coupon offers

I have recently received in my inbox various coupon offers. Are these on line offers one-off payments, or are they annual subscriptions, which I will have to purchase every year?
Also, is there an expiry date for these coupons?

Hello Wayne.
Thank you for contacting AVG Community Support.
We have a specialized team, who'll give better clarity regarding this concern.
Please use the below link to contact them
https://support.avg.com/support_sales?l=en
Thank you.

Hello Wayne.
Thank you for contacting AVG Community Support.
We have a specialized team, who'll give better clarity regarding this concern.
Please use the below link to contact them
https://support.avg.com/support_sales?l=en
Thank you.