Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

New to Xbox gaming on PC? Here's how to get started.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Aprende a instalar Windows 7 Service Pack 1 (SP1). Incluye información sobre cómo descargarlo, los requisitos y mucho más.

Узнайте о параметрах восстановления в Windows. Узнайте, как вернуть компьютер в исходное состояние, вернуться к предыдущей версии Windows или переустановить Windows с носителя.

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

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