
As of July 2021, the KB4577586 “Update for Removal of Adobe Flash Player” will be included in the Latest Cumulative Update for Windows 10, version 1607, and Windows 10, version 1507. The KB will also be included in the Monthly Rollup, and the Security Only Update for Windows 8.1, Windows Server 2012, and Windows Embedded 8 Standard.Extract the downloaded tar.gz file somewhere. Instructions for installation of nightly Chrome/Firefox extensions available on our wiki. It will also be included in every subsequent Latest Cumulative Update. If you do, download the appropriate one for your browser from our downloads, and then install it manually. Starting in June 2021, the KB4577586 “Update for Removal of Adobe Flash Player” will be included in the Preview Update for Windows 10, version 1809 and above platforms. 'As of July 2021, the KB4577586 'Update for Removal of Adobe Flash Player' will be included in the Latest Cumulative Update for Windows 10, versions 1607 and Windows 10, version 1507.Microsoft will then include the update in the mandatory July 2021 Patch Tuesday cumulative updates for Windand later, Windows Server 2012, and Windows 8.1. These updates are released in the third and fourth weeks of the month as part of their scheduled “C” releases. Starting in June 2021, Microsoft will include it in their optional Windows 10 preview cumulative updates for Windand later. In a quiet update to their end of support for Adobe Flash blog post, Microsoft has outlined their further plans on how they will begin distributing the Windows 10 KB4577586 update. However, Microsoft previously stated that they would distribute it through WSUS and Windows Update in the future. At this time, the KB4577586 update has to be manually installed from the Microsoft Catalog.
