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As it is the second Tuesday of the month, it's time for patching all supported versions of Microsoft Windows operating systems. Being the first patch of the year, Microsoft now started rolling out the January 2022 Patch Tuesday update (KB5009543) for Windows 10 versions 20H2, 21H1, and 21H2.


Though the key highlight of Windows 10 KB5009543 Update is related to improving Windows 10 securities, it also fixes an existing issue related to Japanese IME. To know more about the fixes in this build, and to download the Windows 10 KB5009543 update offline installer, continue reading further.


Windows 10 Patch Tuesday (KB5009543) update is now available


As you already know that Windows 10 is a service, it gets better through periodic software updates via the Windows Updates. If you have already enabled the automatic updates, its automatically downloads and updates all or most of the updates.


As the Windows 10 versions 21H2, 21H1, and 20H2 share a common core operating system and an identical set of system files, this update come to all those listed operating system versions.


Windows 10 KB5009543 Update is now rolling out to Windows 10 version 20H2, Windows 10 version 21H1, and Windows 10 version 21H2 bringing the builds number to 19042.1466, 19043.1466, and 19044.1466, respectively. For more information, and to download the offline installer for KB5009543, continue reading more.



Windows 10 update KB5009543 - what's new and improved

The text cursor in some apps might move unexpectedly when using a Japanese IME

After installing KB5007253, text input using a Japanese IME might be entered out of order or the text cursor might move unexpectedly in apps that use the multibyte character set (MBCS). This issue affects both the Microsoft Japanese IME and third-party Japanese IMEs.
Resolution:This issue is resolved using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster. For enterprise-managed devices that have installed an affected update and encountered this issue, it can be resolved by installing and configuring a special Group Policy (preferred). Important Verify that you are using the correct Group Policy for your version of Windows.



How to download Windows 10 KB5009543 update (offline installer)

If your Windows Update service is enabled, you should have received this update notification. If not, open the Windows 10 Settings app, navigate to Windows Update and click the "Check for Updates" button.


If you own multiple Windows 10 devices or if you would like to patch the systems manually, you can download the offline installer by clicking here. This is an official direct download link for Windows 10 KB5009543 update.


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