# Intro.js v2.7.0 > Better introductions for websites and features with a step-by-step guide for your projects. ## Where to get You can obtain your local copy of Intro.js from: **1)** This github repository, using ```git clone https://github.com/usablica/intro.js.git``` **2)** Using bower ```bower install intro.js --save``` **3)** Using npm ```npm install intro.js --save``` **4)** Download it from CDN ([1](http://www.jsdelivr.com/projects/intro.js), [2](https://cdnjs.com/libraries/intro.js)) ## How to use Intro.js can be added to your site in three simple steps: **1)** Include `intro.js` and `introjs.css` (or the minified version for production) in your page. Use `introjs-rtl.min.css` for Right-to-Left language support. > CDN hosted files are available at [jsDelivr](http://www.jsdelivr.com/projects/intro.js) (click Show More) & [cdnjs](https://cdnjs.com/libraries/intro.js). **2)** Add `data-intro` and `data-step` to your HTML elements. To add hints you should use `data-hint` attribute. For example: ```html ```` See all attributes [here](https://github.com/usablica/intro.js/wiki/Documentation/#attributes). **3)** Call this JavaScript function: ```javascript introJs().start(); ```` Optionally, pass one parameter to `introJs` function to limit the presentation section. **For example** `introJs(".introduction-farm").start();` runs the introduction only for elements with `class='introduction-farm'`.
## Documentation Please visit [Documentation](http://introjs.com/docs). ## Using with: Intro.js has many wrappers for different purposes. Please visit [Documentation](http://introjs.com/docs) for more info. ## Build First you should install `nodejs` and `npm`, then first run this command: `npm install` to install all dependencies. Now you can run this command to minify all static resources: make build ## Instant IntroJs Want to learn faster and easier? Here we have **Instant IntroJs**, Packt Publishing. ## Release History ## Author **Afshin Mehrabani** - [Twitter](https://twitter.com/afshinmeh) - [Github](https://github.com/afshinm) - [Personal page](http://afshinm.name/) [Other contributors](https://github.com/usablica/intro.js/graphs/contributors) ## Contributing View [contribution guidlines](https://github.com/usablica/intro.js/blob/master/CONTRIBUTING.md) ## Support/Discussion - [Stackoverflow](http://stackoverflow.com/questions/tagged/intro.js) ## License ### Commercial license If you want to use Intro.js for a commercial application, theme or plugin the commercial license is the appropriate license. With this option, your source code is kept proprietary. Purchase a commercial license at [introjs.com](http://introjs.com/#commercial) ### Open-source license GNU AGPLv3