Play music and video in more formats and stream it to more places with Windows Media Player 12.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

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

如果你使用的是 Windows 11，并在使用 Microsoft Store 中的应用时遇到问题，请考虑这些更新和修复程序。 首先，登录到你的 Microsoft 帐户。 接下来，按照显示的顺序实施这些可能的解决方案。

Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

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

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

How to remove members from your family group when you're on your PC, including adult and child accounts.