Looks like you can download it here. An explanation why it wasn't included in the install. https://pixologic.com/zbrush/downloadcenter/zplugins/ The plugins listed below are not included in the default initialization of ZBrush 2021. These plugins have had limited testing and could contain potential bugs. Please save your…
I loved the plugin when it was released. Since the 2021 release of ZBrush, I've noticed a large improvement in their current implementation of Dynamesh to the point that Dynamesh Master feels unnecessary. I may be wrong on that, it just seems the latest version of Dynamesh respects detail far more than its predecessor. It…