Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

了解如何使用 Xbox Accessories 应用程序自定义 Xbox 无线控制器。

Contacts can be exchanged between Outlook and Google Gmail to save time and avoid manually re-entering your contacts.

Instructions to resolve issues when PowerPoint 2013 or PowerPoint 2016 doesn't respond, hangs, or freezes.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置 ”>“系统 ”>“疑难解答 ”>“其他疑难解答”。 接下来，在 最常用的下，选择 Windows 更新 > 运行。. 运行完疑难解答后，最好重启设备。

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.

Learn how to use auto color management in Windows 11 to get accurate colors on your PC.

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

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.