{"family":"windows11","family_label":"Windows 11","build":"28000.2804","base":"28000","tag":"26H1","kb":"KB5120996","kb_url":"https://support.microsoft.com/help/5120996","kb_title":"August 27, 2026—KB5120996 (OS Build 28000.2804) Preview","release_date":"2026-08-27","update_type":"2026-08 D","update_type_label":"Optional preview update","servicing":"General Availability Channel","ms_known_issues":[],"ms_none_known":true,"ms_highlights":"This update is available through two release phases: gradual rollout and normal rollout. A gradual rollout delivers an update in phases, so features reach devices over time instead of all at once, meaning availability varies by device. A normal rollout is the broad release to all eligible devices at the same time, usually when it reaches general availability (GA). The following summary outlines features from AI-powered Windows 11 PC experiences, along with improvements and fixes. The bold text within the brackets indicates the item or area of the change. This section highlights some new features and enhancements for Windows 11 PCs, including AI-powered capabilities, continuous innovation, and performance improvements. File sizes in the Details view now display using appropriate units (KB, MB, GB) instead of KB-only, making them easier to understand at a glance. File sizes in the Details view now display using appropriate units (KB, MB, GB) instead of KB-only, making them easier to understand at a glance. Middle click to open a folder in a new tab is now supported in the Address Bar and the Home page for a more consistent and efficient tabbed navigation experience across File Explor","title":"Windows 11, version 26H1 (28000.2804)","build_type":"release","channel_label":"Release","branch":null,"kind":null,"kind_label":null,"is_dotnet":false,"status":null,"line":{"status":"silicon","note":"Ships on new silicon only"},"created":1787851828,"created_iso":"2026-08-27T17:30:28Z","uuid":"8f595bc2-11e8-4b7d-91e0-c457277db89e","permalink":"/builds/windows11/28000.2804/","tag_url":"/builds/windows11/26h1/","index_url":"/builds/windows11/","api_url":"https://search.windowsforum.com/api/builds/build/windows11/28000.2804","records":[{"uuid":"8f595bc2-11e8-4b7d-91e0-c457277db89e","title":"Windows 11, version 26H1 (28000.2804)","build":"28000.2804","arch":"amd64","created":1787851828,"created_iso":"2026-08-27T17:30:28Z","build_type":"release","channel_label":"Release","branch":null,"kind":null,"kind_label":null,"status":null,"kb":null,"download_url":"https://uupdump.net/selectlang.php?id=8f595bc2-11e8-4b7d-91e0-c457277db89e"},{"uuid":"deee09e7-795b-4ac6-ad80-a8680e97908d","title":"Windows 11, version 26H1 (28000.2804)","build":"28000.2804","arch":"arm64","created":1787851825,"created_iso":"2026-08-27T17:30:25Z","build_type":"release","channel_label":"Release","branch":null,"kind":null,"kind_label":null,"status":null,"kb":null,"download_url":"https://uupdump.net/selectlang.php?id=deee09e7-795b-4ac6-ad80-a8680e97908d"}],"summary":"Windows 11 26H1 build 28000.2804 is a non-security preview delivering performance and reliability improvements, expanded device support, and targeted fixes across Explorer, networking, power, and touchpad behavior. ([support.microsoft.com](https://support.microsoft.com/en-US/servicing/os/windows-11/2026/08/kb5120996-windows-11-26h1-update))","known_issues":[],"linked":{"news":[{"thread_id":442898,"node_id":4,"title":"KB5120996 Brings Windows 11 26H1 Start and Power Fixes","replies":0,"views":405,"post_date":1786767143,"last_post_date":1786767143,"url":"https://windowsforum.com/windows-news.4/kb5120996-brings-windows-11-26h1-start-and-power-fixes.442898/","kind":"fix","match":"exact","pinned":true,"score":2.0},{"thread_id":443736,"node_id":4,"title":"KB5123778 Refreshes Qualcomm QNN Runtime for Windows 11 26H1","replies":0,"views":175,"post_date":1787908183,"last_post_date":1787908183,"url":"https://windowsforum.com/windows-news.4/kb5123778-refreshes-qualcomm-qnn-runtime-for-windows-11-26h1.443736/","kind":"coverage","match":"line","pinned":false,"score":0.9928},{"thread_id":443733,"node_id":4,"title":"KB5124890 Updates Qualcomm Phi Silica J32 on Windows 11 26H1","replies":0,"views":180,"post_date":1787908080,"last_post_date":1787908080,"url":"https://windowsforum.com/windows-news.4/kb5124890-updates-qualcomm-phi-silica-j32-on-windows-11-26h1.443733/","kind":"coverage","match":"line","pinned":false,"score":0.9928},{"thread_id":443732,"node_id":4,"title":"KB5124886 Updates Qualcomm Copilot+ Image Processing for 26H1","replies":0,"views":173,"post_date":1787908071,"last_post_date":1787908071,"url":"https://windowsforum.com/windows-news.4/kb5124886-updates-qualcomm-copilot-image-processing-for-26h1.443732/","kind":"coverage","match":"line","pinned":false,"score":0.9928}],"tutorials":[],"threads":[],"total":4,"exact":1,"window_days":45},"related":{"history":[{"build":"28000.2804","title":"Windows 11, version 26H1 (28000.2804)","created":1787851828,"kb":"KB5120996","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windows11/28000.2804/","current":true},{"build":"28000.2796","title":"Preview Update for Windows 11 (28000.2796)","created":1786727181,"kb":null,"build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windows11/28000.2796/","current":false},{"build":"28000.2704","title":"Windows 11, version 26H1 (28000.2704)","created":1786467614,"kb":"KB5121000","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windows11/28000.2704/","current":false},{"build":"28000.2608","title":"Windows 11, version 26H1 (28000.2608)","created":1785273322,"kb":"KB5101681","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windows11/28000.2608/","current":false},{"build":"28000.2605","title":"Preview Update for Windows 11 (28000.2605)","created":1784581294,"kb":null,"build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windows11/28000.2605/","current":false},{"build":"28000.2525","title":"Windows 11, version 26H1 (28000.2525)","created":1784048413,"kb":"KB5101649","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windows11/28000.2525/","current":false},{"build":"28000.2340","title":"Windows 11, version 26H1 (28000.2340)","created":1782252122,"kb":"KB5095091","build_type":"release","channel_label":"Release","kind":null,"url":"/builds/windows11/28000.2340/","current":false},{"build":"28000.2333","title":"Preview Update for Windows 11 (28000.2333)","created":1781283675,"kb":null,"build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windows11/28000.2333/","current":false}],"history_total":30,"prev":{"build":"28000.2796","title":"Preview Update for Windows 11 (28000.2796)","created":1786727181,"kb":null,"build_type":"release","channel_label":"Release","kind":"cumulative","url":"/builds/windows11/28000.2796/","current":false},"next":null,"wave":[]},"generated":1788057008}