Learn how to set up a connection to a proxy server on your Windows PC.

Get troubleshooting steps for when you can't sign in to the Xbox app.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Узнайте, как устранить проблемы Bluetooth в Windows. Устраняйте проблемы с подключением Bluetooth-устройства или аксессуара.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

在需要添加参与者的现有群聊中选择或处于活动状态。 在 Teams 右上角的个人资料图片下方选择“ 查看并添加参与者 ”，然后选择“ 添加人员 ”。 选择添加的参与者的姓名，然后选择是否以及要包含多少聊天历史记录。

Search Windows and the web on the taskbar, and search for answers, apps, files, and settings from the web and your PC.

Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.