KB5025885: How to manage the Windows Boot Manager revocations for Secure Boot changes associated with CVE-2023-24932

This page provides phone numbers of Microsoft customer service.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Find out how to back up your apps, files, photos, and preferences on your Windows PC with File History and other tools.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

Note: Whether you set the toggle to Off or On, you'll still get the regular security updates as usual.The toggle determines how quickly you get the additional non-security updates, fixes, feature updates, and improvements. Want to learn about Windows monthly updates?

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.