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

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

The new experience for recording your presentation in PowerPoint for Windows. Currently available for Office Insiders only.

Learn how to create a basic PowerPoint presentation with step-by-step guidance on Microsoft's support page.

Find out how to change your capture settings on Windows 10/11 devices.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.

KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

Troubleshooting steps for the calling feature of the Phone Link app.