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Mar 10, 2026 · This cumulative update for Windows 11, version 25H2 and 24H2 (KB5079473), includes the latest security fixes and improvements, along with non-security updates from last month’s …

Mar 10, 2026 · This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085516) is cumulative. It includes updates from previous security and non-security releases, along with an …

Mar 30, 2026 · Today, Researcher—Microsoft 365 Copilot's deep research agent for work—takes a significant step forward. Designed to tackle complex research in the flow of work, Researcher now …

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Mar 6, 2026 · Our team will continue to refine the experience based on your feedback. Learn more about Microsoft 365 Copilot and Microsoft Copilot Studio and start transforming work with Copilot today. …

Jan 13, 2026 · This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month’s …

Feb 24, 2026 · This non-security update for Windows 11, version 25H2 and 24H2 (KB5077241), improves functionality, performance, and reliability. To learn more about differences between security …