Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

You can choose which apps will start automatically when you start your device.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings

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

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.