Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

在快速设置中： 若要查找蓝牙的快速设置，请选择任务栏右侧的时间和日期旁边的 网络、 声音或 电池 图标 ( ) 。选择“蓝牙 ”将其打开。 如果在未连接任何蓝牙设备的情况下打开，则它可能显示为“未连接 ”。 如果在快速设置中看不到蓝牙 ，则可能需要添加它。

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).

Under Choose default signature, set the following options.. In the E-mail account drop-down box, choose an email account to associate with the signature. You can have different signatures for each email account. You can have a signature automatically added to all new messages. Go to in the New messages drop-down box and select one of your signatures. If you don't want to automatically add a ...

Important: you should limit the number of administrators on your Windows device because administrators have complete control over the system.Administrators can change settings, install software, and access all files. If too many people have this level of access, it could lead to security risks like malware installation or unwanted changes to your system.

聊天是 Teams 中任何操作的中心。 它涵盖一对一的个人聊天、频道中的群组聊天和对话等等。 下面是 5 大须知事项。

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

以下是关于群聊的第一要了解事项： 1. 为群组聊天命名. 为群组聊天命名，以便轻松跟踪。 当你命名群组聊天时，它会明确对话的主题。 若要开始并命名新的群组聊天，请选择聊天 ，然后选择聊天列表顶部的“ 新建聊天 ”。

Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.