New Update Windows 10 August 2025 Patch Tuesday (KB5063709 / KB5063877 / KB5063871 / KB5063889)

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It's the second Tuesday of the month, which means it's Patch Tuesday time again. As such, today, Microsoft is rolling out the monthly security update (also called "B release") for August 2025 on Windows Server 20H2 and Windows 10 for the latest supported versions, 20H2, 21H2, and 22H2.

The new updates are being distributed under KB5063709, bumping up the builds to 19044.6216 and 19045.6216. You can find standalone links to download the new update on the Microsoft Update Catalog at this link.

Windows 10 (KB5063709 / KB5063877 / KB5063871 / KB5063889) August 2025 Patch Tuesday out

Microsoft has released August 2025 Patch Tuesday cumulative updates for Windows 10 version 21H2 and version 22H2 under KB5063709. There are also new updates for older Windows 10 versions.

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August 12, 2025—KB5063709 (OS Builds 19044.6216 and 19045.6216) - Microsoft Support

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