Windows 11 · 26H1 · Beta

Windows 11 Insider Preview Feature Update (28020.3445)

  • Beta
  • Feature update
  • 26H1
  • amd64
  • arm64

Windows 11 26H1: For specific new hardware; not a feature update for existing PCs

Microsoft release information · Verified Nov 6, 2026

Download amd64 — build 28020.3445 from UUP Dump, opens in a new tab Download arm64 — build 28020.3445 from UUP Dump, opens in a new tab All 26H1 builds JSON — this build from the builds API

AI summary

Windows 11 Insider Preview Feature Update (28020.3445) is identified as a Beta-channel, version 26H1 build. I couldn’t verify release notes for this exact build, so specific changes aren’t available to summarize. (learn.microsoft.com)

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

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