1. Copy the "Fonts" folder and CSS file into your site's CSS folder.
2. Add the CSS link inside your HTML <head>: <head> ... <link rel="stylesheet" type="text/css" href="your_website_domain/css_root/flaticon.css"> ... </head>
3. To display an icon, apply the icon class to any inline element. Example: <i class="flaticon-airplane49"></i> or <span class="flaticon-airplane49"></span>