March 31, 2026—KB5086672 (OS Builds 26200.8117 and 26100.8117) Out-of-band

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April 2014 servicing stack update for Windows 8.1 and Windows Server 2012 R2

April 2014 servicing stack update for Windows 8.1 and Windows Server 2012 R2 This article describes a servicing stack update for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2. Note We recommend that you install update 2975061 as it contains additional improvements that more...