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Account help - support. microsoft. com Get help for the account you use with Microsoft Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions
Sign in to Microsoft 365 With Microsoft 365, you can install Microsoft 365 or Office on all your devices and sign in to Office on five devices at the same time This includes any combination of PCs, Macs, tablets, and phones
March 10, 2026—KB5079473 (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 Windows monthly updates explained
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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