Windows 11 24H2 build 26100.7921 — release notes, downloads, known issues

Windows 11, version 24H2 (26100.7921)

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

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Fix Windows 11 Release Preview 26100.7918 26200.7918: Practical fixes, Sysmon, speed test Feb 18, 2026 · Windows 11 24H2 coverage from this build's release window
Fix Windows 11 Release Preview 26100 7918: Reliability fixes boost sleep, printing, sharing Feb 18, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage Windows 11 Insider Builds 26220 7859 and 26100/26200 7918: Reliability and Emoji 16.0 Feb 18, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage Windows 11 24H2 Auto Encryption at OOBE: TPM PCR Lockouts and Key Escrow Feb 23, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage KB5079253 Copilot+ Image Transform AI Update 1.2602.1451.0 on Windows 11 24H2/25H2 Feb 24, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage Windows 11 24H2: Faster Updates and Practical New Features Feb 25, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage GPP Debug Logging Now in Local gpedit.msc on Windows 11 24H2/25H2 Mar 5, 2026 · Windows 11 24H2 coverage from this build's release window
Coverage Why Windows 11 25H2 Upgrades Happen on 24H2 Devices Mar 10, 2026 · Windows 11 24H2 coverage from this build's release window

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Builds sharing the .7921 minor, released within three days.