1. Upload the 'Fonts' folder and the CSS file to your website's designated assets directory.
2. Link the CSS file in the <head> section of your HTML: <head> ... <link rel="stylesheet" type="text/css" href="your-domain.com/css/flaticon.css"> ... </head>
3. Apply icon classes to inline elements for display: Example: <i class="flaticon-airplane49"></i> or <span class="flaticon-airplane49"></span>