Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Check out the system requirements to see if your PC can run Windows 7.

Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.

Learn how to use Microsoft Planner in Teams. Find Planner help and learning content to plan an event, publish content, track a process, and more.

Lists the error codes that may be reported by Device Manager and the possible resolutions in Windows.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

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Describes a Windows Defender update package for Windows Server 2019, Windows Server 2016, and Windows 10.

Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.

了解如何下载、安装和配置适用于你的 Windows 版本的额外语言包。