npm is not recognized as internal or external command, operable program or batch file

Add the Nodejs path in your environment variables.

1. Go to Environment variables
2. Add the below variable under the ‘User variable’,

   Variable = npm
   Value = C:\Program Files\nodejs\
   

3. Reopen your command prompt or terminal and enter the below command,

   npm
   

   It should work.

Screenshot:

Environment variables - Add npm path