1. Copy the 'Fonts' folder and the CSS file into your website's CSS directory.
2. Link the CSS file in the `<head>` section of your website's source code: <head> ... <link rel="stylesheet" type="text/css" href="your_website_domain/css_root/flaticon.css"> ... </head>
3. Apply the icon class to any inline element, for example: <i class="flaticon-goal"></i> or <span class="flaticon-goal"></span>.