Hello Devs, 

In this tutorial, we will learn How to create Progress Bars in Bootstrap 4

Basic Progress Bar

<!DOCTYPE html>
<html lang="en">
<head> 
  <title>Bootstrap 4 Basic Progress Bar Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Basic Progress Bar</h2>
  <div class="progress">
    <div class="progress-bar" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:50%">
      <span class="sr-only">50% </span>
    </div>
  </div>
</div>

</body>
</html>



Colored Progress Bars

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Colored Progress Bars Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Colored Progress Bars</h2>
  <div class="progress">
    <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:40%">
      40% Complete (success)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-info" role="progressbar" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" style="width:50%">
      50% Complete (info)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:60%">
      60% Complete (warning)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-danger" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
      70% Complete (danger)
    </div>
  </div>
</div>

</body>
</html>



Striped Progress Bars:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 4 Striped Progress Bars Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Striped Progress Bars</h2>
  <div class="progress">
    <div class="progress-bar progress-bar-primary progress-bar-striped" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:50%">
      50% Complete (success)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-success progress-bar-striped" role="progressbar" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" style="width:70%">
      70% Complete (info)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-warning progress-bar-striped" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:68%">
      68% Complete (warning)
    </div>
  </div>
  <div class="progress">
    <div class="progress-bar progress-bar-danger progress-bar-striped" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:90%">
      90% Complete (danger)
    </div>
  </div>
</div>

</body>
</html>



Animated Progress Bar:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Animated Progress Bar Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Animated Progress Bar</h2>
  <div class="progress">
    <div class="progress-bar progress-bar-striped active" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:70%">
      70%
    </div>
  </div>
</div>

</body>
</html>



Stacked Progress Bars:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 4 Stacked Progress Bars Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>Stacked Progress Bars</h2>
  <div class="progress">
    <div class="progress-bar progress-bar-primary" role="progressbar" style="width:40%">
      Free Space
    </div>
    <div class="progress-bar progress-bar-warning" role="progressbar" style="width:10%">
      Warning
    </div>
    <div class="progress-bar progress-bar-danger" role="progressbar" style="width:20%">
      Danger
    </div>
  </div>
</div>

</body>
</html>


May this example help you.