<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.13.0/css/all.css" integrity="sha384-Bfad6CLCknfcloXFOyFnlgtENryhrpZCe29RTifKEixXQZ38WheV+i/6YWSzkz3V" crossorigin="anonymous" />
Make sure to put this just before the </body> tag! <script src="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/js/all.min.js"></script>
//put this into you head tag in the html file <script src="https://kit.fontawesome.com/yourcode.js"></script>
<!DOCTYPE html> <html> <head> <script src="https://kit.fontawesome.com/a076d05399.js"></script> </head> <body> <i class="fas fa-clock"></i> </body> </html>