App & browser control in Windows Security provides the settings for Microsoft Defender SmartScreen, which helps protect your device from potentially dangerous apps, files, websites, and downloads.

了解如何接收从 Microsoft 购买的商品的退款或换货。

Microsoft Authenticator アプリは、2 段階認証を使用しているときにアカウントにサインインするのに役立ちます。

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Keyboard shortcuts are keys or combinations of keys that offer a faster alternative to performing tasks typically done with a mouse. If you are trying to take a screenshot or screengrab, see How to take and annotate screenshots.. This article includes a list of keyboard shortcuts categorized as:

重要: 如果计算机已连接到网络，则网络策略设置可能会阻止你执行这些步骤。仅使用系统配置实用工具在 Microsoft 支持工程师的指导下更改计算机上的高级启动选项。 使用系统配置实用工具可能会使计算机不可用。

Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.

详细了解有关 Windows 10 版本 2004 的更新，包括改进和修复、任何已知问题以及如何获取更新。

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For Insiders The Xbox Insider Program was built for you! On PC, Xbox console, or mobile, you can get early access to new games and features, join playtests with our developer partners, and provide valuable feedback to help shape the Xbox experience.