Video Player cant find the file

I want to install video player with

$ npm install https://github.com/moust/cordova-plugin-videoplayer.git 
$ npm install @awesome-cordova-plugins/video-player 
$ ionic cap sync

but
npm install https://github.com/moust/cordova-plugin-videoplayer.git
have error that

npm ERR! code ENOENT
npm ERR! syscall spawn git
npm ERR! path git
npm ERR! errno -4058
npm ERR! enoent An unknown git error occurred
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent

can not find the file ; whats the problem ?