Windows 11 26H1 28000.1575 en-US ** About this Windows version ** Release date: 10 February 2026 * Editions * Home/Home N Pro/Pro N/Pro Education/Pro Education N/Pro for Workstations/Pro N for Workstations/Pro Single Language Education/Education N Enterprise/Enterprise N/Enterprise multi-session IoT Enterprise/IoT Enterprise Subscription This cumulative update for Windows 11, version 26H1 (KB5077179), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. * Improvements * This security update contains fixes and quality improvements. Also, included are available new features. The bold text within the brackets indicates the item or area of the change. - [Graphics] Fixed: This update addresses an issue where certain GPU configurations might recently have experienced a system error related to dxgmms2.sys, resulting in the KERNEL_SECURITY_CHECK_FAILURE error. - [.NET Framework 3.5] Starting with Windows 11 version 26H1, .NET Framework 3.5 is no longer a Windows Feature on Demand optional component. You must install .NET Framework 3.5 by using the standalone installer. For more information, see https://go.microsoft.com/fwlink/?linkid=2348700. - [Networking] Fixed: This update addresses an issue that prevented some devices from connecting to certain WPA3-Personal Wi-Fi networks. -- [OS Reliability] - Fixed: This update addresses an issue where BitLocker Hardware Lab Kit (HLK) tests in the Windows Hardware Compatibility Program (WHCP) playlist were missing. The tests now appear as expected. - Fixed: This update addresses an issue that could cause TrustedInstaller to stop responding and prevent Windows from starting. * AI Components * This release updates the following AI components: - Image Search 1.2511.1224.0 - Content Extraction 1.2511.1224.0 - Semantic Analysis 1.2511.1224.0 - Settings Model 1.2511.1224.0 ** Installation ** * Create USB installer with Rufus/Ventoy * * Setup * - Connect to the internet when prompted (Activation) - At Setup this device, select for work or school - At Sign in, click Sign-in options and select Domain join instead - Enter your name and password - At Privacy settings, turn off all options Enjoy and keep seeding :)