Contact - Microsoft Support
Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.
Virus and Threat Protection in the Windows Security App
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.
Gaming Services Repair Tool for PC | XBOX Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Manage XBOX online safety and privacy settings | XBOX Support
Learn how to manage the online safety and privacy settings on the XBOX console for you and every member of your family group.
Uninstall or remove apps and programs in Windows - Microsoft Support
Uninstall from Control Panel In search on the taskbar, enter Control Panel and select it from the results. Select Programs > Programs and Features. Press and hold (or right-click) on the program you want to remove and select Uninstall or Uninstall / Change. Then follow the directions on the screen. Need more help? If you can't find an app or program, try the tips in See all your apps in ...
Installing Microsoft Defender | Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
安装 Microsoft Defender | Microsoft Support
安装 Microsoft Defender 保护 Android、iPhone、Mac 和 Windows 设备免受威胁。 通过以下方式在设备上下载 Microsoft Defender: 扫描以下 QR 码 在应用商店中搜索 Microsoft Defender 与你的设备共享,以下链接: 复制链接 我们鼓励你每人至少在五台设备上安装 Microsoft Defender。 准备好了尝试一下吗?
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
打开“设备管理器” - Microsoft 支持
Microsoft 教育版 教育设备 Microsoft Teams 教育版 Microsoft 365 教育版 Office 教育版 教育工作者培训和开发 面向学生和家长的优惠 ...
Download and install or reinstall Office 2021, Office 2019, or Office ...
Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2016, Office 2016 for Mac
Open Device Manager - Microsoft Support
Open Device Manager Select Start , enter device manager. Then, select Device Manager from the search results.