NPM is not an internal command or an external command __node

As above, see Npm-v or install software, often jump out of the problem. NPM needs to join the environment variables.

As shown on the picture, create a new two file node_global\npm and add it to the environment variable.

The. npmrc file is found under the D:NODEJS\NODE_MODULES\NPM path, and its contents are changed to

Prefix=d:\nodejs\node_global
Cache=d:\nodejs\node_cache

Then reopen cmd, found Npm-v has been stuck here, exit needs to confirm, may be NPM recycle find files,

Need to see settings. C:\Users\ users to find the. npmrc file, after the deletion, the execution npm-v the smooth display version number.