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.

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

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

You can choose which apps will start automatically when you start your device.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

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。

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Aprende a instalar Windows 7 Service Pack 1 (SP1). Incluye información sobre cómo descargarlo, los requisitos y mucho más.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.