Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Find out how to connect your Xbox Wireless Controller to a Windows device.

Get the steps for turning Windows Defender Firewall on or off.

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。