Windows 10 Version 1909 Build 18363.1621 Business & Consumer Editions

The Microsoft development team is pleased to announce the availability of Windows 10 version 1909 (19H2) build 18363.1621. This build includes all of the latest 19H2 features as well as the latest fixes included as part of KB5003635.

June 8, 2021 — KB5003635 (OS Build 18363.1621)
Windows 10, version 1909, all editions Windows Server version 1909
Highlights
- Updates to improve security when Windows performs basic operations.
- Updates to improve Windows OLE (compound documents) security.
- Updates for verifying usernames and passwords.
- Updates for storing and managing files.
- Updates to improve security when using input devices such as a mouse, keyboard, or pen.
- Updates an issue that might prevent you from signing in to some Microsoft 365 desktop client apps after installing the May 11, 2021 or later update and restarting your device.
Improvements and fixes
This security update includes quality improvements. Key changes include:
- Addresses an issue with an inconsistent shutdown during Windows Update that damages the Windows Management Instrumentation (WMI) repository. As a result, the Managed Object Format (MOF) Advance Installer fails.
- Addresses an issue that might prevent you from signing in to some Microsoft 365 desktop client apps after installing the May 11, 2021 or later update and restarting your device. You might also receive an 80080300 error or "We ran into a problem. Reconnecting…" when attempting to authenticate or sign in to Teams.
- Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Input and Composition, Windows Management, Windows Cloud Infrastructure, Windows Authentication, Windows Fundamentals, Windows Virtualization, Windows Kernel, Windows HTML Platform, and Windows Storage and Filesystem.





Microsoft released Windows 10’s November 2019 Update, codenamed 19H2, on November 12. Also known as Windows 10 version 1909, this is the smallest, quickest Windows 10 Update yet. It’s practically just a service pack.

Microsoft’s John Cable explains that this update “will be a scoped set of features for select performance improvements, enterprise features, and quality enhancements.” In other words, expect a select set of bug fixes, performance tweaks, and a handful of business features.

In this video I delve into what is the Windows 10 November 2019 / 1909 (code named 19H2) update of Windows 10 and what changes Windows users will see with the OS.


Microsoft Corporation, leading developer of personal-computer software systems and applications. The company also publishes books and multimedia titles, offers e-mail services, and sells electronic game systems, computer peripherals (input/output devices), and portable media players. It has sales offices throughout the world.

Product: Microsoft Windows 10
Version: version 1909 (19H2) Build 18363.1621.19h1_release_svc_prod1.210605-2004 MSDN *
Supported Architectures: 32bit / 64bit
Website Home Page : www.microsoft.com
Language: english
System Requirements: PC **
Size: 19.1 Gb