How To Convert HTML to HTML5-CodePudding

Everyone Is there any way to convert Normal HTML to HTML5?

<!doctype html>

<head>
    <meta charset="utf-8">
    <title>HTML5 semantic codility task</title>
    <meta name="description" content="HTML5 semantic codility task">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" href="css/style.css">
</head>

<body>

    <div id="top-menu">
        <div  id="logo">
            <a href="#">
                <img alt="Codility" src="images/logo.png" />
            </a>
        </div>
        <div >
            <a href="#">About us</a>
        </div>
        <div >
            <a href="#">References</a>
        </div>
        <div >
            <a href="#">Contact</a>
        </div>
    </div>

    <div id="content-container">
        <div id="sidepanel">
            <h2 >Integer a placerat arcu.</h2>
           
            <div >
                <h2 >Aenean feugiat tellus vitae finibus laoreet.</h2>

How Can I convert this what is the best practice,

i only need to replace div tags in HTML5, including