I don't quite get the resistance to using the built in Windows Firewall and Windows Defender.  Both have improved significantly over the years.

That's what I've been using on my own, and my clients', Windows 10 systems without issue.
--
Brian

 

     The real art of conversation is not only to say the right thing in the right place but to leave unsaid the wrong thing at the tempting moment.

            ~ Dorothy Nevill