Windows 11 25H2 rollout
Microsoft’s ‘Big March 2026 Update’ — Windows 11 25H2 — is circulating in community reviews, with videos breaking down new customization and security features that users are testing now (youtube.com) (youtube.com). Creators are flagging compatibility and management checks as priorities for IT teams ahead of broader rollout, so expect early pilot phases to be recommended (youtube.com).
Microsoft delivered Windows 11, version 25H2 as a lightweight enablement package that flips on features already shipped in 24H2 and upgrades eligible 24H2 devices with a single restart. (support.microsoft.com) The update is available through Windows Autopatch and the Microsoft 365 admin center, and Microsoft set WSUS availability for October 14, 2025 to align 25H2 with the October security servicing cadence. (techcommunity.microsoft.com) Microsoft’s Release Health page shows a machine‑learning “intelligent rollout” for unmanaged Home/Pro devices and lists active known‑issue records — for example a February 2026 KB (KB5077181) that caused Samsung devices to lose access to C: was marked mitigated on March 14, 2026. (learn.microsoft.com) The March 10, 2026 cumulative update KB5079473 for 25H2 (OS builds 26200.8037 and 26100.8037) shipped security fixes and non‑security changes and was published by Microsoft on March 10, 2026. (support.microsoft.com) Independent coverage and changelogs list visible additions in recent March 2026 servicing — Emoji 16.0, an Internet speed test in Settings, and Explorer tweaks among the headline items in KB5079473. (windowslatest.com) Microsoft published a Windows 11 25H2 security baseline on September 30, 2025 that emphasizes network security, attack surface reduction and removal of legacy protocols and can be imported into Group Policy or MDM. (4sysops.com) Enterprise deployment guidance and community how‑tos point to concrete pre‑deployment actions: create dedicated pilot rings and Intune feature‑update policies, validate drivers and firmware (Intel published Wi‑Fi and Bluetooth driver updates validated for 25H2 on Oct 30, 2025), and run Microsoft’s PC Health Check or scripted readiness checks before broad rollout. (techcommunity.microsoft.com) (windowslatest.com) (youtube.com)
