Important: If your Microsoft cloud storage is full, you cannot send or receive email.Messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.

An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.

如果你没有台式电脑并且滑块未显示或不起作用，请尝试更新显示驱动程序。 在任务栏上选择"搜索"，键入"设备管理器"，然后从结果列表中选择"设备管理器"。在"设备管理器"中，选择"显示适配器"，然后选择显示适配器。长按 (或右键) 显示适配器名称，然后选择"更新驱动程序"并按照说明操作。

在同一行或列中合并两个或多个单元格，或者拆分表中的单元格。

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

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。

Screen time reporting shows daily and weekly details about when and for how long your family member used their devices. Gain insight into the amount of time your family member spends on a particular social media app, game or web browser and decide whether you would like to enable screen time limits for any connected devices. To view screen time for a family member, tap Today, then Screen time ...

按任务栏上的“开始”按钮 ，键入“设置”，然后选择“设置”。 在 Windows 10 上，选择“更新和安全”。在 Windows 11 上，选择“Windows 更新”。 在“Windows 更新”页面上，选择“检查更新”以查看是否有适用于设备的任何更新。 在下载更新后，选择“立即安装”以开始安装。

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

除原装 Xbox 无线控制器外，其他都可以通过无线方式获取更新，而不必使用 USB 缆线进行连接。 此控制器底部有 3.5 毫米圆形小端口（如果控制器有此端口，仅可通过 USB 缆线进行更新）。