了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

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.

Bluetooth 액세서리 관련 문제 해결. Bluetooth를 켤 수 있지만 Bluetooth 액세서리를 페어링하거나 사용하는 데 문제가 있는 경우 Bluetooth 액세서리와 관련된 일반적인 문제를 해결하기 위한 다음 단계를 참고하세요.

注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题，请参阅获取有关 Windows 激活错误的帮助。 在这里，通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”，可找到有关你的代码的特定信息及解决方案。

本文中的信息仅在中国提供。 我们很高兴地向你推出荣耀、三星和 oppo 特定设备上的“手机连接”！ 使用“手机连接”，可以轻松连接手机和电脑，以查看和回复短信、拨打和接听电话、查看和管理照片、接收移动通知，以及直接在电脑上使用手机屏幕。

Удалите или удалите приложения и программы в приложении "Параметры". Существуют различные способы удаления приложений и программ, поэтому если вы не можете найти нужный файл, попробуйте использовать другое ...

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Choose from a variety of Surface devices and accessories to get help.

Updated Files On-Demand settings on Windows.We are updating the OneDrive sync app advanced settings for Files On-Demand for users who have the feature enabled.