This will be included in every 'Patch Tuesday' for supported Windows versions.
'Update for Removal of Adobe Flash Player' will become mandatory as part of monthly updates (cumulative) for all Windows 10 and Windows 8.1 versions from July 2021. It will be optional which means that the users can keep using Flash for some time. In June 2021, the Preview Update for Windand newer will include the KB4577586 by default. However, that update was optional, and users could block it from being installed on their computers. The company issued an update in February, referred to as the KB4577586 update, that allowed uninstalling the Flash Player on Windows 10 or Windows server.
It is an optional feature that lets the users choose when to eliminate Flash from their systems.
Back in October 2020, Microsoft allowed selective users to remove Flash from supported Windows versions by offering them a patch.
