If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

SafeSearch： 如果要保证网络上所有用户的严格安全搜索结果，请在路由器或代理服务器中将 www.bing.com 映射到 strict.bing.com。 Strict.bing.com 将保证针对此 IP 的所有查询返回严格的 SafeSearch 结果，并禁用 SafeSearch 控件。 如果使用 Microsoft Edge 浏览器，浏览器侧栏中有一个搜索应用。

Types of info. What will be deleted. Where it's stored. Browsing history. The URLs of sites you've visited, and the dates and times of each visit. On your device (or, if sync is turned on, across your synced devices)

A product key. A 25-character product key might be needed (not required for digital licenses). For help with finding the product key, go to Find your Windows product key.Many modern devices contain the product key embedded in the firmware of the device.

File information. For a list of the files that are provided in this update, download the file information for cumulative update.. Prerequisites. To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

In Windows 7 SP1 and Windows Server 2008 R2 SP1, Microsoft.NET Framework 4.6.2 is displayed as an installed product under Programs and Features in Control Panel. In Windows Server 2012, Update for Microsoft Windows (KB3151804) is displayed as an installed product under Installed Updates in Control Panel. ...

将必应作为默认搜索引擎，将增强在 新版 Microsoft Edge 中的搜索体验，包括直接指向 Windows 应用的链接、来自组织的相关建议（如果使用工作或学校帐户登录），和有关 Windows 的问题的即时解答。 但是，你可以将默认搜索引擎更改为使用 OpenSearch 技术的任何站点。

Para obtener soporte técnico en Outlook.com, haga clic aquí o seleccione Ayuda en la barra de menús y escriba la consulta. Si la autoayuda no resuelve el problema, desplácese hacia abajo hasta ¿Necesita más ayuda? y seleccione Sí.. Para ponerte en contacto con nosotros en Outlook.com, tendrás que iniciar sesión.

Microsoft .NET Framework 4.5.1 （脱机安装程序） 现适用于.NET Framework 4 和.NET Framework 4.5。 如果您的计算机未连接到 Internet，您可使用脱机安装程序来取代 Web 安装程序来安装此更新。