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。

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

Testing whether conditions are true or false and making logical comparisons between expressions are common to many tasks. You can use the AND, OR, NOT, and IF functions to create conditional formulas.

Learn what you can do if you're not receiving account aign-in verification codes.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

If your Surface touchscreen doesn’t work, try these steps first. To try to resolve these issues, you can begin by following the steps below to boot to UEFI and test touch functionality, reinstall the touchscreen driver, check for Windows and Surface updates, or reset Surface.. If that doesn't resolve the issues, you can find more info in Is your touchscreen still not working?.

Find everything you need to manage your Xbox account, profile, and more.

Learn how Smart charging in Windows can help your battery last longer over time.

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.