(Video) [KB5009543] Security update for Windows 10 version 21H1 - Build 19043.1466!
It's January 2022 Patch Tuesday! Microsoft has released today security updates for all supported versions of Windows, including the brand new Windows 11!
In the case of Windows 10, the updates, distributed under KB5009543 are coming to the latest versions 20H2, 21H1, and 21H2, bumping up the builds to 19042.1466, 19043.1466, and 19044.1466. You can find standalone links to download the new update on Microsoft Update Catalog at the link.