Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

使用 Windows 设置应用更改桌面背景和颜色。

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

了解如何使用控制面板或卸载支持工具从电脑中卸载 Office。

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Get help for the account you use with Microsoft and learn how to set up, protect and manage your services and subscriptions.