Maybe it’s time to realize that only Non Profits and Governments can do things without having to pay for them.
Even the free version of avast! cost Avast money. Our acceptance of some of what they offer helps to defray that cost.
(You have the right to refuse any of the items offered)
The next paid version will give you the ability to bypass all add ons and popups. 
Any program you install requires reading what is offered. Why should it be any different in installing avast! ???
This isn’t meant to be harsh but something that we all need to start following. 