摘要 可通过不同的方法删除应用和程序，因此，如果找不到要查找的应用和程序，可以尝试其他位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。 如果程序未正确运行，可以先尝试 修复 程序。 从“开始”菜单卸载 选择 “开始 > 所有应用 ”，并在显示的列表中搜索该应用。 长按（或 ...

This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121768) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix. Improvements This OOB update includes the following improvement: [System Performance] This update addresses an issue affecting a limited number of devices with an Intel ...

处于 S 模式的 Windows 10 旨在提高安全性和性能，并且仅运行 Microsoft Store 提供的应用。 如果你想要安装 Microsoft Store 中未提供的应用，需要退出 S 模式。 退出 S 模式是不可逆的。 如果进行了切换，你将无法再退回到处于 S 模式的 Windows 10。 退出 S 模式不收取任何费用。 若要退出 S 模式， 请单击此处 ...

Highlights This update addresses security issues for your Windows operating system. Improvements This security update contains fixes and quality improvements from KB5062660 (released July 22, 2025). The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of ...

获取 Microsoft 365 的支持、帮助和学习资源。 使用 Microsoft 365 让你的生活井然有序、扩展你的创造力并保护重要信息。

Find out how to manage your XBOX subscriptions to request a refund or cancel a recurring payment.

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 ...

Windows Server 2016 Windows 10, version 1607 Applies to: Windows Server 2016 This security update includes fixes and improvements that are a part of the following update: February 10, 2026—KB5075999 (OS Build 14393.8868) The following is a summary of the issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting. [Windows ...

Copilot Chat and Agents can use web search to improve the quality of their responses by referencing the latest publicly available information. This helps Copilot provide more complete, current, and relevant answers—especially when your prompt involves topics that go beyond your work content. Copilot generates a short query based on your prompt and sends it to Bing. The results are used to ...

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.