# Hello World example ## How to use Download the example [or clone the repo](https://github.com/zeit/next.js): ```bash curl https://codeload.github.com/zeit/next.js/tar.gz/master | tar -xz --strip=2 next.js-master/examples/using-inferno cd using-inferno ``` Install it and run: ```bash npm install npm run dev ``` Deploy it to the cloud with [now](https://zeit.co/now) ([download](https://zeit.co/download)) ```bash now ``` ## The idea behind the example This example uses [Inferno](https://github.com/infernojs/inferno), an insanely fast, 9kb React-like library for building high-performance user interfaces on both the client and server. Here we've customized Next.js to use Inferno instead of React. Here's how we did it: * Use `next.config.js` to customize our webpack config to support [inferno-compat](https://www.npmjs.com/package/inferno-compat)