手动备份注册表. 选择“ 开始 ”，在搜索框中键入 regedit.exe ，然后按 Enter。 如果系统提示你输入管理员密码或进行确认，请键入密码或提供确认信息。

Neem contact op met de Microsoft-ondersteuning. Zoek oplossingen voor veelvoorkomende problemen of vraag hulp van een ondersteuningsagent.

Note: Cross-device syncing of Microsoft Entra user activity history will stop starting in January 2024.Microsoft will stop storing this data in the cloud, aligning with the previous change for Microsoft accounts (MSA) in 2021. The timeline user experience was retired in Windows 11, although it remains in Windows 10.

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。

Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.

介绍 Microsoft 手机连接 我们对之前的“你的手机”应用的演变为用户体验提供了一个新名称。 使用 Windows 电脑上的新“手机连接”和 Android 设备上的新“连接至 Windows”应用，访问移动应用和内容从未如此简单！

Windows 10 usually finds devices automatically when you plug them in or turn them on. If it doesn't, follow these steps: Select Start > Settings > Devices > Bluetooth & other devices.

了解如何下载、安装和配置 Microsoft 365 语言配件包，以向 Microsoft 365 添加其他显示、帮助和校对工具。

Nhận trợ giúp và hỗ trợ cho Microsoft Edge. Tìm nội dung hỗ trợ, bài viết về cách thức, hướng dẫn và nhiều nội dung khác của Microsoft Edge.

如果你信任 Windows 安全中心检测为恶意的文件、文件类型、文件夹或进程，可以通过将该文件添加到排除项列表，以使 Windows 安全中心停止向你发出警报或阻止程序运行。