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。

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

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

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

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

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

You can paste the photo into an Office document, an email message, or on your PC's desktop. Learn more about copying and pasting content between your devices (for Surface Duo and select Samsung devices). What are photo notifications? You can get instant access to your most recent photos or screenshots from your linked Android device by engaging with the incoming new photo notifications on your PC.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.