Join a meeting without an account in Microsoft Teams
You can join a Teams meeting anytime, from any device, whether or not you have a Teams account. If you don't have an account, follow these steps to join. If you're having trouble joining a Teams meeting, try I can't join a Teams meeting.
Applies To: Microsoft Teams
End of support for Cortana - Microsoft Support
End of support for Cortana. We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023. Additionally, Cortana in Teams mobile, Microsoft Teams display, Microsoft Teams Rooms, Outlook mobile, and Microsoft 365 mobile was ...
Use System Restore - Microsoft Support
Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.
Your CD or DVD drive is not recognized by Windows or other programs
There are various reasons why a CD or DVD drive is not detected. The resolutions that are listed in this article may help solve some instances but not all instances of this problem. You may also need to contact your hardware manufacturer for assistance with your hardware.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要打开或关闭 Microsoft Defender 防火墙,请执行以下操作:. Windows 11 Windows 10. 选择“ 开始 ” ,然后打开“ 设置 ” 。. 在“ 隐私和安全 ” 下面,选择“ Windows 安全 ” >“ 防火墙和网络保护 ”。. 打开 Windows 安全中心设置. 选择网络配置文件: 域网络 、 专用 ...