You need to know about Microsoft Windows 11. It's the latest thing from a dominant monopoly therefore avoiding it is near impossible and counter-productive unless your mentality is one of "I don't like what I am seeing therefore I am going to shut my eyes and walk around blindly pretending that I didn't see it".
As for what you need to know about Microsoft Windows 11? Largely that it's little more than a minor UI reskin, a further attempt to lock users into Microsoft's online rental ecosystem, all with an extra sprinkling of needless hardware requirements to enforce unnecessary hardware churn.