Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.

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如果扫描仪已打开并连接到网络，Windows 应该能够自动发现它。 可用扫描仪可以包含网络上的所有扫描仪，例如蓝牙和无线扫描仪或者插入另一台设备和在网络上共享的扫描仪。

Serve aiuto con una console Xbox, un gioco Xbox o la rete Xbox? Scopri come restare in contatto con noi.

从 Microsoft 获取免费的 Windows 主题，以个性化设置电脑的背景、颜色和声音。

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.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

注意: 如果你是管理组织中的 Surface for Business 设备的 IT 管理员，请参阅恢复工具 (Surface IT 工具包) 了解将受支持的 Surface 设备还原到其出厂状态的另一种方法。

Le support Microsoft est là pour vous aider avec les produits Microsoft. Trouvez des articles pratiques, des vidéos et des formations pour Microsoft Copilot, Microsoft 365, Windows, Surface, etc.