OK, thanks a lot for the comments. Not come to any decision yet... As so often (always?) folks disagree across the net about what is good/not good (some 'rave reviews' of Windows Defender on the web, for example.. not written by Microsoft either!).



For now, I think a combination of Windows Defender and Malwarebytes will do what I want - especially on the PC I use just for X-Plane 11 (I don't browse the web on it or visit unknown websites, have an email client or download from sites I don't know and trust). Nothing's 100% sure of course, but...