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

若要在Windows 11电脑上使用移动应用，需要安装Amazon Appstore。 设置完成后，你将能够浏览和安装精选目录中的移动应用。

Learn how to stream HDR video in Windows. Find out the display, PC, and graphics card requirements for streaming HDR video.

If you want to send an email to a channel in Teams, use the channel email address. Once an email is part of a channel, anyone can reply to it to start a conversation.

Get troubleshooting steps for when you can't sign in to the Xbox app.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device. For more information about security vulnerabilities, please refer to the Security Update Guide and the June 2024 Security Updates. Windows Server 2022 servicing stack update (KB5039343) - 20348.2522

Learn how to use an eSIM to connect your Windows PC to the internet over a cellular data connection.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.