Unsubscribing service VPN service

I have my subscription till June 9th, 25. I wanted to unsubscribe, however I was billed on my card. Who should I coordinate with for refund?

Please I want a refund on my AVG Secure VPN (Multi-Device), Order AGAP1630906339 on August 16, 2025 not considering my wish to unsubscribe this product..