yii2-introjs-widget

http://usablica.github.io/intro.js/
http://usablica.github.io/intro.js/example/index.html

composer.json

"require": {
    "xj/yii2-introjs-widget": "~1.0"
},

Assets

//Base Assets
xj\introjs\IntrojsAsset::register($this);

//Themes Assets
xj\introjs\themes\DarkAsset::register($this);
xj\introjs\themes\NassimAsset::register($this);
xj\introjs\themes\NazaninAsset::register($this);
xj\introjs\themes\RoyalAsset::register($this);