Make sure you have Node and NPM install on your Development Environment

Install electron locally
npm install --save-dev electron

or globally
npm install electron -g

Install electron-packager
npm install electron-packager --save-dev

Build your current project, cd into your current project then run:
electron-packager .

Overwrite your current build if need to
electron-packager . --overwrite


Useful Resources:

Getting started: