Erfahren Sie, wie Sie Sound- oder Audioprobleme in Windows beheben.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

Learn how to manage background activity for apps to help save battery power in Windows.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to manage and delete your browsing history in Internet Explorer.