Learn about Xbox online safety so you can manage your family's accounts.

如果在启动电脑时遇到问题，请参阅 Windows 启动设置（包括安全模式），并转到“在 Windows 恢复环境中访问 Windows 启动设置”部分。 你可以从 Windows 恢复环境恢复、初始化或还原电脑。 如果要备份和还原个人文件，请参阅备份 Windows 电脑。. 在开始恢复或初始化你的电脑之前

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

重要: Microsoft帐户、Windows 操作系统和其他Microsoft产品包括密码，以帮助保护你的信息。本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft支持无法帮助你检索或绕过丢失或忘记的密码。

Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.

从 Microsoft 获取免费的 Windows 主题，以个性化设置电脑的背景、颜色和声音。

For volume license versions of Project or Visio, use the Office Deployment Tool (ODT) to install a Click-to-Run version. If you have a volume license for Project 2016 or Visio 2016 and you’re trying to install the Click-to-Run version of Microsoft 365 Apps for enterprise, you can use the Office Deployment Tool to download and install the Click-to-Run perpetual (stand-alone) versions of ...

Mais informações. Para obter mais informações sobre o Microsoft .NET Framework 4.8, consulte os Problemas conhecidos do Microsoft .NET Framework 4.8.. Esta versão do .NET Framework é executada lado a lado com o .NET Framework 3.5 SP1 e versões anteriores, mas realiza uma atualização in-loco para o .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 e 4.7.2.

Reputation-based protection. Reputation-based protection leverages what Microsoft knows about various sites, services, and publishers, as well as threats we've seen in action to help protect you from malicious or potentially unwanted apps, files, or websites.

介绍 Microsoft 手机连接 我们对之前的“你的手机”应用的演变为用户体验提供了一个新名称。 使用 Windows 电脑上的新“手机连接”和 Android 设备上的新“连接至 Windows”应用，访问移动应用和内容从未如此简单！