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March 10, 2026—KB5079473 (OS Builds 26200. 8037 and 26100. 8037 . . . OS Builds 26200 8037 and 26100 8037 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 optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see
Introducing multi-model intelligence in Researcher | Microsoft . . . 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 goes further with two new multi-model capabilities that raise the bar for accuracy, depth, and confidence: Critique and Council Critique is a new multi model deep research system designed for complex research tasks
What is a Microsoft account? - Microsoft Support Your Microsoft account dashboard is where you can manage your personal information and security settings, keep tabs on your subscriptions and order history, and manage your payment and billing options You can also organize your family’s digital life, track the health and safety of your devices, and browse or redeem rewards
Sign in using Microsoft Authenticator Sign in using Microsoft Authenticator Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account