Windows 11 26H1 build 28000.1641 — release notes, downloads, known issues

Preview Update for Windows 11 (28000.1641)

Windows 11 26H1: Ships on new silicon only

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Coverage Windows Insider Canary Split: 29531 Platform Stream vs 28000 Feature Path Feb 19, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows 11 26H1: Hardware-Gated ARM Release for Snapdragon X2 Laptops Feb 19, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows Insider Canary Split: Platform 29500 and Feature 28000 Tracks Feb 19, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows 11 Canary Channel Split: 28000 Feature Preview and 29500 Platform Lane Feb 20, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows 11 Canary Channel Splits Into 28000 Feature Preview and 29500 Platform Stream Feb 19, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows 11 Canary Channel Split: 28000 Feature Preview vs 29500 Platform Path Feb 18, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows 11 26H1 Bromine Platform: Arm First, Not a General Update Feb 18, 2026 · Windows 11 26H1 coverage from this build's release window
Coverage Windows Insider Canary Split: 28000 Feature Path and 29500 Platform Development Feb 18, 2026 · Windows 11 26H1 coverage from this build's release window

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