The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

若要下载 Internet Explorer 11 的脱机安装程序，请选择下面的语言和系统。

其他功能. 双拼音 可以将较长的元音组分配给辅音键作为快捷方式，将 zh、ch、sh 分配给元音键作为快捷方式。 这样，当输入法需要元音时，可以使用这些快捷方式来加快键入速度。 在 “输入法 设置”> “常规”中查找双拼音设置。

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.

In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.

Learn how to adjust the time and time zone settings on your Windows device with this Microsoft Support guide.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: