我在cmd里已经测试node安装成功了，这个还需要安装吗？这个究竟是干嘛的？有什么用？
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Make sure you have both node and npm, don’t worry about it
This is not installation, it is running node
This is the node you installed
Windows installation, one is to decompress the compressed package to the specified path and add the corresponding environment variables; the other is to download the .msi file for installation.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Make sure you have both node and npm, don’t worry about it
This is not installation, it is running node
This is the node you installed
Windows installation, one is to decompress the compressed package to the specified path and add the corresponding environment variables; the other is to download the .msi file for installation.