Find out which power supply model goes with your Surface device—including the power supply model number, power and wattage, and USB charging port.

Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.

了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

You can view and clear your Microsoft Edge browsing history stored on a single device, across all synced devices, and in the cloud. You may choose to clear your browsing history at any time.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Here are answers to some common questions about the 32-bit and 64-bit versions of Windows.

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

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.