--- title: Announcing new builds for 31 August 2026 | daily.dev description: New Windows 11 Insider Preview builds have been released for version 26H1 to the Beta and Experimental channels: Build 28020.2818 for Beta and Build 28120.2824... canonical: https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Announcing new builds for 31 August 2026 | daily.dev og:description: New Windows 11 Insider Preview builds have been released for version 26H1 to the Beta and Experimental channels: Build 28020.2818 for Beta and Build 28120.2824... og:url: https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt og:image: https://api.daily.dev/og/posts/BapXfDAzT.png og:image:alt: Announcing new builds for 31 August 2026 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Announcing new builds for 31 August 2026 **[Windows Blogs](https://daily.dev/sources/windows)** · 1 min read · 0 upvotes · 0 comments ## Summary New Windows 11 Insider Preview builds have been released for version 26H1 to the Beta and Experimental channels: Build 28020.2818 for Beta and Build 28120.2824 for Experimental, with full release notes linked for each. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What build number is in the Windows 11 26H1 Beta channel right now? Windows 11 version 26H1 Beta channel Insider Preview build 28020.2818 was released, alongside build 28120.2824 for the Experimental channel. Full release notes for each build are published separately on the Windows Insider release notes pages for the Beta and Experimental 26H1 channels. _Track Windows 11 insider build rollouts as they land using daily.dev._ ## Similar posts on daily.dev - [Announcing new builds 8 June 2026](https://daily.dev/posts/announcing-new-builds-8-june-2026-kydd3xefw) · Windows Blogs · 0 upvotes · 0 comments - [Announcing new builds for 22 May 2026](https://daily.dev/posts/announcing-new-builds-for-22-may-2026-6kepat3yr) · Windows Blogs · 1 upvotes · 0 comments - [Announcing new builds for 21 August 2026](https://daily.dev/posts/announcing-new-builds-for-21-august-2026-lxqvkwgv8) · Windows Blogs · 0 upvotes · 0 comments - [Announcing new builds for 19 June 2026, version 26H2 for Experimental](https://daily.dev/posts/announcing-new-builds-for-19-june-2026-version-26h2-for-experimental-o4wkrfl1r) · Windows Blogs · 0 upvotes · 0 comments --- Tags: [#windows](https://daily.dev/tags/windows) [View this post on daily.dev](https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Announcing new builds for 31 August 2026","url":"https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt"},"datePublished":"2026-08-31T21:05:52.775Z","dateModified":"2026-08-31T21:22:03.214Z","description":"New Windows 11 Insider Preview builds have been released for version 26H1 to the Beta and Experimental channels: Build 28020.2818 for Beta and Build 28120.2824...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7a53792b19d63d2ee4aeb74637d0edae?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/7a53792b19d63d2ee4aeb74637d0edae?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Windows Blogs","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Windows Blogs","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/65287077108e474eaea304deccc4877a","url":"https://daily.dev/sources/windows"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"windows","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Windows Blogs","item":"https://daily.dev/sources/windows"},{"@type":"ListItem","position":3,"name":"Announcing new builds for 31 August 2026"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/announcing-new-builds-for-31-august-2026-bapxfdazt#faq","mainEntity":[{"@type":"Question","name":"What build number is in the Windows 11 26H1 Beta channel right now?","acceptedAnswer":{"@type":"Answer","text":"Windows 11 version 26H1 Beta channel Insider Preview build 28020.2818 was released, alongside build 28120.2824 for the Experimental channel. 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