Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

Learn how to start a party with your friends on your Xbox console, or while playing Xbox games on your Windows or mobile device.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

If you are having trouble with the camera in Microsoft Teams, we have some suggestions to help you get back on track. Solutions include: closing camera-related apps, updating device drivers, checking privacy settings.

重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。

Look for key features of genuine Windows software, such as the Certificate of Authenticity (COA), a proof of license label, and an edge-to-edge hologram.

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:

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.