KB5004926 - Download Windows 1…
https://support.microsoft.com/en-us/topic/kb5004926-download-windows-10-version-1909-monthly-security-updates-for-windows-10-enterprise-multi-session-version-1909-3f670ebe-d3f9-4b9e-af64-16c177612bc7
Method 2: Download monthly security updates Go to https://www.catalog.update.microsoft.com . In the Search box, in the upper-right corner of the page, type "2021-xx Cumulative Update for Windows 10 Version 1909". ... From the list of results, select the available "Cumulative Update" packages. ... Go to Windows Settings (Windows key + I) –> Update & Security –> Windows Update. Press Check for new updates button Install all the available updates.
Go to https://www.catalog.update.microsoft.com .
In the Search box, in the upper-right corner of the page, type "2021-xx Cumulative Update for Windows 10 Version 1909". ...
From the list of results, select the available "Cumulative Update" packages. ...
Go to Windows Settings (Windows key + I) –> Update & Security –> Windows Update.
Press Check for new updates button
Install all the available updates.
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