解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

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Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.

Cómo abrir la Comprobación de estado del PC. En Windows, escribe "Comprobación de estado del PC" en el área de búsqueda de la barra de tareas y selecciónalo en la lista de resultados.

You may see an "account frozen" message and icon if you have exceeded your storage allowance and/or haven't signed in for a long time. You just need to get back under your Microsoft storage quota to get access to your files again.

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...

Windows Update might find an updated version of your printer driver. To use it: Select Start , then select Settings > Windows Update. Open Windows Update