Nodejs installation and download

1. Download address

https://nodejs.org/download/release/v14.19.3/

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2.Nodejs Installation mode

Windows Two installation methods are provided on the platform
（1） One is .MSI The installation files ;
（2） One is .exe Executable file ;
I chose .exe File installation

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3. Environment configuration process （ The configuration is complete ）

（1） To configure node.exe The environment variable of the file

Right click “ This computer ” Of “ attribute ”-> Advanced system setup -> environment variable -> System variables ->path-> Click edit -> newly build ：
take node.exe Copy the path of the file to the new option .

（2） To configure npm route

Because when downloading the installation package , It already includes npm file , So you can configure the path directly . Here is also the configuration system variable , It's the same as up here .（ Look below ）

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4. Test whether the configuration is successful

（1） Test the installed version first

（2） Code testing

Use the code provided on the official website to test https://nodejs.org/en/about/
What does this code mean , I don't need to care about , Only the current node.js Whether the environment is configured successfully .

Copy the code to a new file you created （.js）

Open under current file cmd The command line window runs the program