我运行的是哪个 Windows 操作系统版本？ - Microsoft 支持
了解如何查找电脑正在运行的 Windows 操作系统版本和设备规格。
Windows Speech Recognition commands - Microsoft Support
Learn how to control your PC by voice using Windows Speech Recognition commands for dictation, keyboard shortcuts, punctuation, apps, and more.
Reactions in Microsoft Outlook - Microsoft Support
Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2016, Microsoft 365 admin, Outlook on the web, Microsoft 365 Apps for business, New Outlook for Windows, Outlook for Android, Outlook for iOS
Using the lobby in Microsoft Teams meetings
In Teams, the meeting lobby keeps participants from joining a meeting until they’re admitted by an organizer, co-organizer, or presenter. When people are in the lobby, organizers, co-organizers, and presenters are notified and can choose when to admit them to the meeting.
Applies To:
Microsoft Teams, Microsoft Teams small business
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
在 Windows 11 電腦上啟用虛擬化 - Microsoft 支援服務
瞭解如何透過電腦的 UEFI (或 BIOS) 啟用虛擬化，以執行 Windows 子系統 Android 版 或 Windows 子系統 Linux 版。
在Windows中手动更新驱动程序 - Microsoft 支持
了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
压缩和解压缩文件 - Microsoft 支持
注意: Windows 可以解压缩多种不同的压缩文件格式，但只能压缩为 .ZIP 文件。
Send an emoji, GIF, or sticker in Microsoft Teams
Learn how to express yourself with emoji, GIF, or sticker in Teams. Find out how to customize, create, and discover them in this article.
Applies To:
Microsoft Teams