提示 卸载 Microsoft 365 只 会从计算机中删除 Microsoft 365 应用程序，不会删除使用应用创建的任何文件、文档或工作簿。

Extended Security Updates (ESU) Licensing Preparation Package for Windows 10

This security update includes fixes and quality improvements that are part of the following updates: August 11, 2026—KB5120249 (OS Builds 19045.7663 and 19044.7663) The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are ...

XBOX サービス、ゲーム、アプリをチェックして、サービスが停止していないかどうかをご確認ください。

Note The Microsoft Support and Recovery Assistant has been replaced with troubleshooters integrated into Get Help.

Learn how to update your Xbox console offline with step-by-step instructions and troubleshooting tips.

Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

Windows Security app update This security update provides the latest changes for the Windows Security app. The update is composed of the Windows Security app and its underlying service. This update applies to only Windows 11 devices (build 22000 or later) To determine the current running version of the Windows Security app, run the following PowerShell command: Get-AppPackage Microsoft ...

How does Copilot Tasks work? Copilot Tasks allow you to delegate certain tasks or work to Copilot using natural language. Instead of working step by step in a conversation, you describe a goal and Copilot plans and executes the steps needed to complete it. Tasks can be run immediately or scheduled to run later. Copilot may browse the web, navigate and interact with websites, generate or edit ...

Windows 365 is a cloud-based service that gives you access to your own Cloud PC, a new type of virtual machine. You can have your own personalized apps, content, and settings on the Cloud PC. The Cloud PC lives in the cloud, and you can access it from any device. For more information about Cloud PCs, see Introduction to Cloud PCs. How to get a Cloud PC Windows 365 licenses are currently ...