In Windows, having a camera and microphone as part of your device lets you make Teams video calls, take pictures, record videos, and more. Many apps and services request and use the camera or microphone, and Windows settings give you control over which apps can use your camera or microphone.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Use Find my device to locate and lock your lost or stolen Windows devices.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Learn how Smart charging in Windows can help your battery last longer over time.