March 25, 2021—KB5000850 (OS Build 18363.1474) Preview

March 25, 2021—KB5000850 OS Build 18363.1474 Preview 2/16/21 IMPORTANT As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update WU and Windows Server Update Services WSUS. Installing KB4577586 will remove Adobe Flash Player permanently fr...