Cancel free trial of driver updater

Avast Driver Updater
1

I would like to cancel the auto payment of my free trial of avast driver updater but I can’t find a way to do that. Can I get some help with that?

2

→ https://support.avast.com/en-ww/article/Sale-Billing-FAQ/

3

I don’t have an order number because I’m on a free trial. I can’t use the link you provided.

4

If you don’t have an order # use 00000000 then explain your problem.