For some languages, you might need to manually download a speech pack. Go to Start and open Settings .

使用 Microsoft Teams (免费) 订阅与生活中的所有人员保持联系。 了解适用于个人或小型企业的订阅选项。

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

选择适合你的电源模式以及你想要在电脑上Windows 11操作。 这样，你可以确定哪些对你很重要 - 是要获得最佳电池使用时间、获得最佳性能还是在二者之间寻求平衡。

可以使用 简单的公式对) 一组单元格 (区域中的数字求和，但在处理多个数字时 ，sum 函数 更易于使用。 例如，=sum (a2：a6) 出现键入错误的可能性小于 =a2+a3+a4+a5+a6。 下面是使用两个单元格区域的公式： =sum (a2：a4，c2：c3) 对区域 a2：a4 和 c2：c3 中的数字求和。 可按 enter 获取总计 39787。

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Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

了解如何设置 Xbox 无线控制器。 用一只手握住倒置的控制器。 用另一只手的拇指按箭头符号上的电池门，并按箭头指示的 ...