Windows 11 26h1 Release Date, Jun 9, 2026 · This cumulative update for Windows 11, version 26H1 (KB5095051) includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. . Jan 22, 2026 · Microsoft released Insider Preview Build 28000 in November 2025, marking the first time the system displays Windows 11, version 26H1 in Settings > System > About and the winver dialog. Nov 9, 2025 · Windows 11 26H1 is now being tested by Insiders: ARM support, build 28000, and the road to 26H2. Jan 8, 2026 · A new update to Windows 11 (version 26H1) is set to be released, which will be specially adapted for new Snapdragon X2 systems. Windows 11 is a major release of the Windows NT operating system developed by Microsoft that was released in October 2021. Version 26H1 is a “specialized” release of the operating system designed to support the next generation of specific processors. Feb 26, 2026 · 💡 What Is 26H1? Unlike typical feature updates, Windows 11 version 26H1 isn’t being delivered as a normal upgrade for everyone. Feb 10, 2026 · Original publish date: February 10, 2026 KB ID: 5079944 Windows 11, version 26H1 enables the next generation of silicon¹ and hardware innovation, making it possible for the PC ecosystem to bring you Windows devices with exceptional performance and battery life. As we begin the transition to the updated Windows Insider Program, all new build release notes will be labeled under the new channel names, even though Insiders in the Canary 28000 series Channel may not yet find themselves 6 days ago · Insider KB5095091 Windows 11 Insider Release Preview build 28000. m2a7uqk, zm, q6, 8tnxx, shuo57, llgn2, 3ez, haliba, rzzc, jytur,