No need for a extensions and please do not install Norton Browser. And if you can stick to the Antivirus Plus version as it is the least bloated version.Thank you very much.
However, I have a question: I just installed my Norton license. I still have 964 days left. Do I need to install any add-ons in my browsers? I had Norton before Avast. If so, what do I need to install and where can I get it? Just for browsing. I use Edge, Chrome, and Firefox.