Windows activity history and your privacy - Microsoft Support
Note: If you have previous activity history stored in the cloud before Windows 11 23H2 and 22H2, January 23, 2024-KB5034204 update, you can use the Clear activity history button to delete previously stored data in the cloud. Otherwise, your activity history will be automatically deleted within 30 days from when your data was last synced to the cloud
Applies To:
Microsoft account dashboard
Prepararse para la actualización de Windows 11
Si estás ejecutando Windows 8.1 o una versión anterior, o si el equipo no cumple los requisitos mínimos del sistema para ejecutar Windows 11, considera la posibilidad de pasar a un nuevo dispositivo Windows 11. Busca un equipo que se ajuste a tus necesidades. Configura tu cuenta de Microsoft para transferir archivos y favoritos
Actualizar controladores manualmente en Windows
Nota: La mejor y más segura manera de obtener actualizaciones de controladores en Windows es siempre a través de Windows Update.Si tiene problemas con Windows Update, es posible que vea si alguno de los vínculos de Actualizar Windows puede ayudarle primero.
Getting started with Microsoft Defender - Microsoft Support
Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows, Microsoft Defender Online
向幻灯片添加水印 - Microsoft 支持
试一试！ 在 PowerPoint 中，可以在幻灯片中放置文本背景以获取该水印效果。 若要向所有幻灯片添加水印，选择“视图”>“幻灯片母版”。滚动到左侧缩略图窗格的顶部，选择第一项“幻灯片母版”。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
使用 Microsoft Edge 增强 Web 安全性 - Microsoft 支持
Microsoft Edge 提供两种可选的浏览模式（均衡和严格），用于增强安全性，以便在浏览 Web 和不熟悉的网站时为你提供额外的保护层。
KB4023057: Update Health Tools—Windows Update Service components
Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.
Microsoft account security info & verification codes
Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).
Applies To:
Microsoft account dashboard
在 Outlook 中Create并添加电子邮件签名 - Microsoft 支持
在 “选择默认签名”下，设置以下选项。. 在 “电子邮件帐户 ”下拉框中，选择要与签名关联的电子邮件帐户。 可为每个邮件帐户设置多个签名。 可以将签名自动添加到所有新邮件。 在 “新建邮件 ”下拉框中转到 ，然后选择其中一个签名。 如果不想自动向新邮件添加签名，请选择“ (无) ”。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.