[untitled] the CMD command window displays' NPM 'which is not an internal or external command

stay cmd When the command window displays the above information , Mostly because nodejs Didn't install , If installed nodejs, That is because the path is not configured correctly in the environment variable . Configuration path ：
（1） New variable

NODE_PATH

D:\Program Files\nodejs;
（2） modify PATH

add %NODE_PATH%

After successful configuration , function node -v 、npm -v 、appium -v It's all done .

What should take effect is node.exe And each .cmd file , If cmd The file is not in nodejs Under the folder , Then go through other folders and find these .cmd Where are the documents , Configuration to NODE_PATH Go inside .

When configuring , Pay attention node.exe and .cmd Where are the files located , Configure the corresponding path .