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修复麦克风问题 - Microsoft 支持
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. 如果在更新麦克风后未检测到Windows 11,您可能需要授予应用使用它的权限。
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.
Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To: Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Libérer de l’espace disque dans Windows - Support Microsoft
Découvrez comment libérer de l’espace disque dans Windows. Maintenez votre PC opérationnel correctement et à jour en augmentant l’espace disque.
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.
Fix Bluetooth problems in Windows - Microsoft Support
Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.
All about PC gaming with Xbox | Xbox Support
New to Xbox gaming on PC? Here's how to get started. Find out how to play with cloud gaming on devices you already have