Windows 许可证与你的设备硬件相关联。 如果进行了重大硬件更改，例如更换主板，则下次启动设备时，Windows 将无法找到匹配的许可证。 如果 Windows 已预装在设备上，那么在进行更换主板之类的更改后，需要提供新的许可证。

如果在输入切换器或首选语言列表中看到不需要的键盘或输入方法，下面是修复它的一些方法。 从设置中删除语言

安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

One of the most common ways of transmitting computer viruses is through file attachments. To help protect you and your recipients against computer viruses, Outlook blocks the sending and receiving of certain types of files (such as .exe and certain database files) as attachments.

在“蓝牙和其他设备”设置中，选择“通过蓝牙发送或接收文件”>“接收文件”。

如何创建新的 Microsoft 帐户以使用 Microsoft 服务。

若要能够通过邮件合并批量发送电子邮件，必须已安装 MAPI 兼容的电子邮件程序，例如Outlook 或 Gmail。 以下过程假定你已拥有在 Microsoft Word 中创建并打开要发送的消息。

To help make sure your message gets noticed, mark it as important or urgent. Select Set delivery options underneath the box where you type your message.

Important: Bing doesn't control the content that websites publish or that appears in Bing search results.To make sure content is removed from search results, your best option is to contact the webmaster for the website that published the content and request that it be deleted or removed.

Notes: This feature needs to be turned on by your IT admin. Also, sending email to a channel isn't available if you're using Teams as part of an Office 365 Government plan.. In the case of email attachments, a unique ID is appended at the end of file name to support retry requests for uploading files with same name.