This article is updated whenever a new Windows Insider Program Build is released. The Latest Windows Insider Builds are listed below, organised by category.
Updated June 3rd, 2026
What is the Windows Insider Program
The Windows Insider Program is a community-driven initiative by Microsoft that allows anyone to sign up and test early versions of Windows before they are officially released. Additionally, by joining, users get to try out new features, updates, and improvements ahead of the general public, and they can provide direct feedback to Microsoft to help shape the final product. Moreover, this program is open to enthusiasts, developers, and anyone curious about what’s next for Windows, making it a great way to experience upcoming changes and contribute to the operating system’s future.
Latest Windows Insider Builds available
Concurrently, the following Builds are available for each Channel:
Experimental: Future Platforms
The latest Experimental future Platforms Build is 29599.1000. Read more here:
Windows 11 Insider Experimental (Future Platforms) Preview Build 29599.1000 – Windows Insider Program | Microsoft Learn
Experimental: Version 26H1
The latest Experimental 26H1 Build is 28020.2207. Read more here:
Windows 11 Insider Experimental (26H1) Preview Build 28020.2207 – Windows Insider Program | Microsoft Learn
These Builds are based on the version 26H1 release.
Experimental
The latest Windows 11 Experimental Build is version 26300.8553. More here:
Windows 11 Insider Experimental Preview Build 26300.8553 – Windows Insider Program | Microsoft Learn
Beta Channel
Lastly, the latest Beta Channel is Build 26220.8544. Read more here:
Windows 11 Insider Beta Preview Build 26220.8544 – Windows Insider Program | Microsoft Learn
Release Preview
The latest Release preview Release based on 25H2 is 26200.8521. Read more here:
Release Preview build 26100.8521/26200.8521 – Windows Insider Program | Microsoft Learn
Downloading Windows 11 Insider ISO
Furthermore, if you are interested in downloading Windows Insider ISOs, please refer to the article here.
