This family is hosted online, so the usual process is a stylesheet link in your <head>. Nothing is copied onto your server.
Paste inside <head>
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Mrs+Sheppards&family=PT+Sans:ital,wght@0,400;0,700;1,400;1,700&family=Roboto:ital,wght@0,100..900;1,100..900&family=TikTok+Sans:opsz,wght@12..36,300..900&display=swap">
<style>
.headline { font-family: "Mrs Sheppards", sans-serif; }
</style>
Stylesheet URL on its own
https://fonts.googleapis.com/css2?family=Mrs+Sheppards&family=PT+Sans:ital,wght@0,400;0,700;1,400;1,700&family=Roboto:ital,wght@0,100..900;1,100..900&family=TikTok+Sans:opsz,wght@12..36,300..900&display=swap