Bitdefender Total Security works on my installation for two months and I think that such a delay is needed to make a valid assessment. If I had rated too soon, I certainly would not put 5 stars. It is true that the person I mentioned is not to make adjustments in my place, because I encountered the problems mentioned by a commenter (Pascalou).
During installation, you are given the choice to leave or configure as needed. I needed Safepay, which I used with Kaspersky equivalent when I wanted to contact my bank account. So I chose. Immediately Kaspersky is turned on for a number of merchant sites, including Amazon, but with my bank account, not at all! The result for Amazon, for example, is that when I wanted to find a reference, I was completely isolated. Do not do it at all. Not possible to make such an assessment on Amazon consultant on another my own evaluations on a related topic tab, look for a reference, etc. At the slightest click lost time because Safepay was recovering in place, etc. Fortunately a friend who went with me has set me, making sure that it's me that chooses which site I wanted to run Safepay. But I am unable to say exactly what she did. I'll do when she has told me.
Since then, no problem. Bitdefender is very safe: operating regular reports, which you can read or not, a green sign that tells you if such a site is safe or not, etc. I therefore advise, but it is the use you'll know what it's worth. If you're like me, that is, no computer, ask for help from someone who knows you configure it. And then, quiet ...