neowin[.]net/news/microsoft-releases-manual-update-packages-for-removing-adobe-flash-from-windows
Note that you can't go back again -- there's no Undo or uninstalling this update. Note also that it reportedly doesn't remove Flash from the browsers -- only Windows. It is supposed to hit Windows Update at the end of this year, beginning of next, but if you don't want to wait, there it is.