查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Troubleshooting steps for the calling feature of the Phone Link app.

Automatically fill a series of data in your worksheet, like dates, numbers, text, and formulas. Use the AutoComplete feature, Auto Fill Options button and more.

Aprende a solucionar problemas de Bluetooth en Windows. Resuelve problemas al conectar un dispositivo o accesorio Bluetooth.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.

Notes about this update. When this update is installed, Windows may attempt to download and install feature updates to your device if it is approaching or has reached the end of support for your currently installed Windows version.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.