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

Learn how to protect your PC, identity, and data from tech support scams.

Learn how to receive a refund or exchange for items purchased from Microsoft.

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How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.

Learn how Microsoft Teams, a messaging app, enables real-time collaboration, communication, and file sharing within organizations.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。