This article does a decent job breaking down Windows 11 hardware requirements but there still seems some confusion with respect to upgrading older machines
https://www.windowscentral.com/tpm-windows-11-what-it-means
innitrichie
<p>It feels like Microsoft isn’t just communicating this horribly, but that they are making it up as they go along hence the frantic edits to their own documentation pages that discuss Windows 11 support.</p><p>Let them figure it out and then revisit the subject in a couple of months. You might think it would have been better if Microsoft had got all the pieces joined together before making their announcements…. but that isn’t the Microsoft way.</p>