Microsoft released a new cumulative update (KB5004296) for Windows 10 version 21H1, Windows 10 version 20H2, and Windows 10 version 2004. As this came as an optional update, it won't be downloaded automatically. You will have to manually click on the "
The latest cumulative update (KB5004296) build includes performance improvements and bug fixes for Microsoft Windows 10. For a detailed list of improvements, and the offline installer, continue reading below.