如何使用电脑健康状况检查应用 - Microsoft 支持
使用电脑健康状况检查应用可以获取有关 Windows 设备运行状况的最新信息，从而帮助你采取措施提高设备性能和排查性能问题。
OneNote help & learning
Get answers to all of your OneNote questions with our how-to articles, training videos, and support content.
What is a Microsoft account? - Microsoft Support
A Microsoft account is a personal account required for access to Microsoft’s products and services.
Applies To:
Microsoft account dashboard
How to change a birth date on a Microsoft account
How to change a birth date on an adult's Microsoft account. Edit your Microsoft account profile using the credentials of the account you wish to update.
Applies To:
Microsoft account dashboard
安装 Microsoft Defender - Microsoft 支持
Microsoft Defender是一种新的安全应用，可帮助跨所有设备保护你和你的家人;Windows、Android、Mac 和 iOS。
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
修复 Windows 中的 USB-C 问题 - Microsoft 支持
学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。
添加字体 - Microsoft 支持
可更改文档样式的一种方法是添加新的文本字体。 若要向 Word 添加字体，请在 Windows（其将向所有 Microsoft 365 应用程序提供该字体）中下载并安装该字体。
Applies To:
Word 2013
What is Data Execution Prevention (DEP)? - Microsoft Support
Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.
How to get and use app passwords - Microsoft Support
Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.