了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

在 Excel 中，可通过多种方式筛选唯一值或删除重复值： 若要筛选唯一值，请单击“ 数据 > 排序 & 筛选 > 高级”。

Learn how to download Microsoft Teams. Get Microsoft Teams with Microsoft 365 or download a free version of Teams.

Check for updates in the Phone Link by opening Settings > About > Check for updates.Install any pending updates to make sure your content stays up-to-date. You may also need to check for updates in the Link to Windows app on your Android device.

Learn how to change Internet Explorer settings, or reset browser settings when there's a problem.

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

了解如何使用控制面板或卸载支持工具从电脑中卸载 Office。

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.