Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks. Check for Windows updates

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

Having trouble using Microsoft Teams? Help solve your peskiest issues and frequently asked questions (FAQs) with this troubleshooting guide.

If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.

如果需要在频道之外、你和一小群人之间进行较小的讨论，请开始群组聊天。 你可以将你的任何朋友或同事拉入组。 通过群组聊天，任何人都可以共享与项目相关的文件并拨打电话。

若要退出群组聊天，请点击聊天标头，然后点击“ 离开聊天”。 若要从群组聊天中删除其他人，请执行以下操作： 在参与者列表中，将鼠标悬停在某个人的姓名上，然后选择 “x ”将其从聊天中删除。他们将能够查看聊天历史记录，因为他们是成员，但无法响应消息、发送消息或接收来自组的新 ...

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.

Type info in the search box on your taskbar, and then select System Information.

If you purchase DLC and add-ons for a game that later leaves the catalog, your DLC and add-ons will not be removed. However, to continue playing the DLC and add-ons, you’ll need to purchase a digital copy of the game from the Xbox app for Windows or the Microsoft Store, play from a disc, or obtain another form of entitlement to continue playing the game

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