配置 Windows Hello - Microsoft 支持
了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。
What's new in Office 2021 - Microsoft Support
Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.
Applies To:
Office 2021, Office 2021 for Mac
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。
下载 Internet Explorer 11（脱机安装程序） - Microsoft 支持
若要下载 Internet Explorer 11 的脱机安装程序，请选择下面的语言和系统。
KB5034441: Windows Recovery Environment update for Windows 10, version ...
KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。
Applies To:
Outlook.com
Feature Update through Windows 10, version 20H2 Enablement Package
Summary. Windows 10, versions 2004 and 20H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 20H2 are included in the latest monthly quality update for Windows 10, version 2004 (released October 13, 2020), but are in an inactive and dormant state.
Device protection in Windows Security - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
About Windows backup and sync settings - Microsoft Support
Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.
Applies To:
Microsoft account dashboard
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。