Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Your screenshot indicates you currently have the Office Pro Plus LTSC version installed on your PC, when your reported Office licence on your account is the Home and Student version.
The best option is to completely uninstall Office, then restart (not shut down) your PC and go to your Microsoft account on this link to install the correct version of Office.
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您的屏幕截图显示您当前电脑上安装的是 Office 专业增强版 LTSC 版本,但您账户中显示的 Office 许可证版本是家庭和学生版。
最佳解决方案是彻底卸载 Office,然后重启(而非关机)电脑,并通过此链接登录您的 Microsoft 账户,安装正确版本的 Office。