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。

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Get answers to common questions about Windows 11 and Windows 10 in S mode.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

选择任务栏右侧的操作中心，然后移动"亮度"滑块 以调整亮度。 (如果滑块不存在，请参阅下面的备注部分。) 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。

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

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.