Flash content won't load anymore in Microsoft browsers once the update is installed. You can check the AppData/Roaming folder under the user directory to find out if the Macromedia folder is no longer there. The installation does not require a reboot, and Adobe Flash Player functionality should be removed from the system and Microsoft's web browser.

Windows Installer displays a confirmation prompt, and the selection of Yes proceeds with the update installation. Click on the download to download the update to the local system, and execute the downloaded file once it has been downloaded. The Microsoft Update Catalog website opens a popup that contains the download link. Select the download link next to the update version that you require to get started with the downloading and installation of the update. Major versions of Windows the Flash removing update is provided for are Windows 10 version 2004 and 20H2, Windows 10 version 19, Windows 10 version 1809, and Windows 8.1. The update is made available for all supported operating system versions, and as such listed on two pages and in 38 different versions total. The only recourse after the installation of the update is to either reset the device to an earlier system restore point (prior to the installation of the Flash removing update), or to reinstall the entire Windows operating system.Īdministrators can download the update from the Microsoft Update Catalog site. Microsoft notes that Adobe Flash Player cannot be installed again once the update has been applied to a system. KB4577586, the Update for the removal of Adobe Flash Player, is released early by Microsoft to provide Microsoft customers with ample time to test the update and the removal of Flash Player on Windows systems. The update is only available on the Microsoft Update Catalog website and not via Windows Update, WSUS or other update management systems at the time of writing.

KB4577586 will remove the native Flash Player installation on Windows 10 and 8.1 devices it is installed on.

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