Your Windows installation is insecure full stop. No matter when you patched. Even if all vulnerabilities would be patched then there are still backdoors siting and waiting to be exploited.
Closed-source just ups the uncertainty about security. I'm not saying open source is a panacea, but I think in general it increases certainty about security to some extent.
But still your comment doesn't even answer the comment you commented on.
I use windows and arch linux and ubuntu. Like them all.
And yes my arch linux i need to update anyway otherwise my chrome and kernel is out of date and insecure.