Run the Accessibility Checker to check your Microsoft 365 files for issues that can make it difficult for people with disabilities to read and use the files.

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Learn about the message "Wi-Fi isn't secure" that appears in Windows when you're connected to a Wi-Fi network that's not secure.

了解如何在 Surface 上设置数据连接、插入 SIM 卡、选择要使用的 SIM 卡、获取流量套餐以及切换流量套餐。

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KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

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Describes Microsoft easy fix solutions and how to use them. "Microsoft easy fix" was formerly known as "Microsoft Fix it."

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如果在从 Microsoft Store 购买应用、游戏或下载时遇到问题，请尝试以下步骤。