Unauthorised charge

AVG Subscription
3

Hello Steve.
We acknowledge your refund request. You have been charged A$89.99 on 2nd June 2019 for a new license of AVG Driver Updater (2 computers). Would you like to cancel this order and get a refund?

2

Hello Steve.
We acknowledge your refund request. You have been charged A$89.99 on 2nd June 2019 for a new license of AVG Driver Updater (2 computers). Would you like to cancel this order and get a refund?

1

Hello I have been charged $89 without my agreement how do I get a refund?? 
Thanks