Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)

Learn about Xbox online safety so you can manage your family's accounts.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

To reset the Hosts file back to the default, follow these steps: 1. Open Notepad. To do this, search for “Notepad” using Cortana, and then tap or click the Notepad icon.. 2. Copy the following text, and then paste the text into the file:

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

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.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Microsoft 支援服務可協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows、Surface 等的使用方法文章、影片和訓練。

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Learn about Xbox consoles, system requirements, and networking, and get troubleshooting help.