BrowserSync is an automation tool that makes web development faster. BrowserSync makes your tweaking and testing faster by synchronizing file changes and interactions across many devices.
You install Browsersync on top of Node.js. To use it you must first install Node.js. Both Node and Browsersync are used from the command line. In Windows, open a command prompt with Start, Run, cmd and press Enter. Install brosersync with the command below. The -g is the global flag which will allow us to use Browsersync almost anywhere.
npm install -g browser-sync
After you install Browsersync with the above command you can type browser-sync.