'nodemon' is not recognized as an internal or external command, code example

Example 1: nodemon : The term 'nodemon' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1 + nodemon index

npm install -g nodemon --save

Example 2: nodemon is not recognized

//You need to install nodemon as globally. Use this command
npm install -g nodemon
//Now you can use nodemon it will work