A phased approach will see the update (KB4577586) arrive for different users at intervals over the next few weeks. Once the update is installed, either manually or automatically, Windows 10 users will not be able to restore the program unless via a pre-existing backup.
However, as per the support documentation, the update will only remove editions of Adobe Flash Player installed automatically by Windows. “If you installed Adobe Flash Player manually from another source, it will not be removed,” Microsoft explained.
