Windows 11 24H2 build 26100.8106 — release notes, downloads, known issues

Windows 11, version 24H2 (26100.8106)

Windows 11 24H2: Supported; 25H2 is the enablement-package successor

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Issue KB5079473 Sign-In Issues: Fix Steps for Windows 11 24H2/25H2 & Copilot Mar 20, 2026 · Windows 11 24H2 coverage from this build's release window
Issue March 2026 Patch Tuesday Breaks Microsoft Account Sign-In on Windows 11 24H2/25H2 Mar 20, 2026 · Windows 11 24H2 coverage from this build's release window
Issue KB5079473 Breaks Microsoft Account Sign-Ins on Windows 11 24H2/25H2 Mar 20, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage KB5083482 and Secure Boot Cert Expiration: Windows 11 24H2/25H2 Readiness Mar 26, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage KB5083461 Updates AMD MIGraphX Execution Provider for Windows 11 24H2/25H2 Mar 26, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage KB5084167 Phi Silica Update: On-Device AI Refresh for AMD Copilot+ (24H2/25H2) Mar 26, 2026 · Windows 11 24H2 coverage from this build's release window
Fix KB5079391 Windows 11 Preview: reliability fixes for 24H2 and 25H2 Mar 27, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage KB5079391 Windows 11 24H2/25H2 Release: Narrator AI, Smart App Control, File Explorer Mar 27, 2026 · Windows 11 24H2 coverage from this build's release window

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Builds sharing the .8106 minor, released within three days.