When installing free software and even licensed ones, we need to be careful and READ the small letters and follow this ignored checkbox with the sign "Advanced Installation" or "Advanced Setup". Behind that check, there's an unconscious consent of installing many other "tools" meant to "help us", in the best cases that's true, at least during the trial period, but the other scenario you computer can be the target of many dangerous Softwares harming not just your computer but your privacy.