获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Type about in the search box on your taskbar, and then select About your PC.. View your PC info

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

為您的群組聊天命名，以協助釐清交談的主題。 視訊通話. 開啟或關閉視訊通話。 音訊通話 開啟或關閉音訊通話的音訊。 共用螢幕 與群組聊天中的參與者共用您的螢幕。 檢視及新增參與者 檢視參與者清單，並將人員新增至群組。

请求添加成员. 若要将某人添加到已是其成员的团队，请转到团队列表中的团队，然后选择“ 更多选项 > 添加成员 。 键入一个或多个人员的姓名，然后选择“ 发送请求”。团队所有者将收到一条警报，指出他们有挂起的请求。

Contact Support For help with your Microsoft account and subscriptions, visit Account & Billing Help. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option. Admins

Notes: If you don't see an option to Cancel, but instead see a link that says Turn on recurring billing, this means your subscription is already set to expire on the date shown and you won't be automatically charged after this date. There's nothing further to do at this time, and you can continue to use the product until your Microsoft 365 subscription expires.

Troubleshooting The people selection menus in Meeting options don't show invitees I've added to an occurrence of a meeting series. In this scenario, you will need to invite people to the meeting series, rather than to the meeting occurrence.

Enter your Email, phone, or Skype name in the first box if you know it.; In the Contact email address text box, type an email address where we can contact you or send your password reset link. Note that this email address should be different from the one you’re trying to recover. In the third text box, type the characters displayed on the screen.

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