Windows 11 · 26H1 · Release Preview

Preview Update for Windows 11 (28000.3612)

  • Release Preview
  • Cumulative update
  • 26H1
  • amd64
  • arm64

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

Microsoft release information · Verified Nov 13, 2026

Download amd64 — build 28000.3612 from UUP Dump, opens in a new tab Download arm64 — build 28000.3612 from UUP Dump, opens in a new tab All 26H1 builds JSON — this build from the builds API

AI summary

Windows 11 version 26H1 Release Preview build 28000.3612 (KB5132265), released November 13, 2026, adds a customizable File Explorer context menu, Cloud rebuild, and new Magnifier features. It also includes improvements to accessibility and IPv6 networking, plus fixes for display and application issues. (reddit.com)

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