Summary. This security update contains six fixes and resolves vulnerabilities. To learn more about the vulnerabilities, see the following security advisories:

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Introducción. Microsoft publicó las siguientes actualizaciones de seguridad y no relacionadas con la seguridad para Office en enero de 2023. Estas actualizaciones están pensadas para ayudar a nuestros clientes a mantener actualizados sus equipos.

解决方法 若要变通解决此问题，请根据您的具体情况使用下列方法之一。 方法 1︰ 如果您使用远程传真服务器 如果使用远程传真服务器发送传真，请与远程服务的管理员联系以确定传真服务是否支持电子邮件收据交付功能。

Summary. This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE-2023-24932, how to enable the mitigations, and guidance on bootable media.A bootkit is a malicious program that is designed to load as early as possible in a devices boot sequence to control the operating system start.

PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.

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。

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

可以使用 Power Query 导入到单个数据源（如 Excel 工作簿），或到分散在云中的多个数据库、源或服务。 数据源包括来自 Web、文件、数据库、Azure 甚至当前工作簿中的 Excel 表的数据。 借助 Power Query，你可以使用自己的独特转换和组合将所有这些数据 ...