Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

如果你忘记了 PIN 并需要重置它，可以从 Windows 登录屏幕进行重置。 查看 PIN 文本框下方： 如果看到 我忘记了 PIN ，请选择它，然后按照说明重置 PIN。 如果设备上有多个帐户，请选择需要重置的帐户。

Select your profile picture at the top right of Teams. When your account manager opens, select your profile picture again.

The following new and improved features have been implemented in Windows Installer 4.5. Multiple package transactionIn a multiple package transaction, you can create a single transaction from multiple packages.

联系支持人员 有关 Microsoft 帐户和订阅的帮助，请访问 帐户和计费帮助。. 如需技术支持，请转到联系 Microsoft 支持人员，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。 管理员

Find everything you need to manage your Xbox account, profile, and more.

Once that's completed, reboot your system, and attempt to Reset this PC again.

To install a 64-bit version of Windows, you need a CPU that's capable of running a 64-bit version of Windows. The benefits of using a 64-bit operating system are most apparent when you have a large amount of random access memory (RAM) installed on your computer, typically 4 GB of RAM or more.

如何创建新的 Microsoft 帐户以使用 Microsoft 服务。

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.