New to Xbox gaming on PC? Here's how to get started. Find out how to play with cloud gaming on devices you already have

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Learn how to change your notification settings and quick actions using the notification center in Windows.

使用 Windows 中的“设置”应用通过蓝牙发送文件。

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

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

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

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