Announcing new builds for 2 October 2026

[Stephen Lines]

Hello Windows Insiders, Today, we’re releasing new Windows 11 Insider Preview builds to the Beta and Experimental channels. New builds this week Select your channel below to view its release notes:

• Beta: Build 26220.9587
• Experimental: Build 26340.9596

For those on other specific Windows build versions, here are today’s new builds and release notes:

• Beta (26H1): Build 28020.3142
• Experimental (26H1): Build 28120.3151
• Experimental (Future Platforms): Build 29680.1000

Also a reminder that next week October 7, we have our Windows and Surface event at 10AM Pacific time! Tune in to watch live via the Windows YouTube channel. Thanks, Stephen and the Windows Insider Program team

Source: Announcing new builds for 2 October 2026