将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。
My microphone isn't working in Microsoft Teams
If you're having trouble hearing audio in Teams, you might be having trouble with your microphone. Here are some solutions to get you back on track. Solutions include: updating device drivers, checking privacy settings.
Applies To:
Microsoft Teams
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Microsoft Authenticator FAQs - Microsoft Support
This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.
How to add an account in OneDrive - Microsoft Support
If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
在 Microsoft Edge 中管理 Cookie：查看、允许、阻止、删除和使用 - Microsoft 支持
获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容
Applies To:
Microsoft Edge
Update to the new Microsoft Edge - Microsoft Support
To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
How to go passwordless with your Microsoft account
Learn how to remove passwords from your Microsoft account to increase security.
Applies To:
Microsoft account dashboard
Change notification settings in Windows - Microsoft Support
Learn how to change app notifications, banners, and sound settings in Windows.