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Microsoft ships new Windows 11 Insider builds on 13 November 2026

Windows 11 Insider Preview builds have rolled out to the Beta and Experimental channels for 26H1, plus Release Preview builds for several versions.

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Published 1 min read

Illustration of a Windows 11 laptop showing an Insider preview build installing

Key takeaways

  • New Windows 11 Insider Preview builds arrived on 13 November 2026 for the Beta (26H1) and Experimental channels.
  • The Experimental future platforms build is 29708.1003.
  • Release Preview builds 26200.10066 and 26300.10066 cover versions 25H2 and 26H2, and build 28000.3612 covers 26H1.
  • Microsoft says further Beta and Experimental channel updates are due next week.
In this article
  1. What Microsoft released
  2. The build numbers
  3. Who this affects

What Microsoft released

Illustration: code, Microsoft logo, update, computer and the labels Beta Channel, Microsoft, Release Preview

Microsoft released new Windows 11 Insider Preview builds on 13 November 2026, according to the Windows Blog. The builds went only to the 26H1 Beta channel and the two Experimental channels, including the one testing future platform work.

The company says updates for the standard Beta and Experimental channels should follow next week.

The build numbers

The Experimental channel for future platforms received build 29708.1003.

Release Preview testers also get builds today. Windows 11 versions 25H2 and 26H2 received builds 26200.10066 and 26300.10066, while 26H1 received build 28000.3612.

Who this affects

The release concerns Windows Insiders enrolled in the Beta, Experimental or Release Preview channels. Testers in each listed channel should see the corresponding build through Windows Update.

Insiders not in these channels need to wait for next week's promised updates.

Sources

  1. Announcing new builds for 13 November 2026Windows Blog

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