HTML

bootstrap navvar

<nav class="navbar navbar-expand-lg bg-light">
   <div class="container-fluid">
      <a class="navbar-brand" href="#">Navbar</a>
      <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
      </button>
      <div class="collapse navbar-collapse" id="navbarSupportedContent">
         <ul class="navbar-nav me-auto mb-2 mb-lg-0">
            <li class="nav-item">
               <a class="nav-link active" aria-current="page" href="#">Home</a>
            </li>
            <li class="nav-item">
               <a class="nav-link" href="#">Link</a>
            </li>
            <li class="nav-item dropdown">
               <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
               Dropdown
               </a>
               <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
                  <li><a class="dropdown-item" href="#">Action</a></li>
                  <li><a class="dropdown-item" href="#">Another action</a></li>
                  <li>
                     <hr class="dropdown-divider">
                  </li>
                  <li><a class="dropdown-item" href="#">Something else here</a></li>
               </ul>
            </li>
            <li class="nav-item">
               <a class="nav-link disabled">Disabled</a>
            </li>
         </ul>
         <form class="d-flex" role="search">
            <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
            <button class="btn btn-outline-success" type="submit">Search</button>
         </form>
      </div>
   </div>
</nav>

bootstrap nav

<ul class="nav nav-tabs" id="myTab" role="tablist">
  <li class="nav-item">
    <a class="nav-link active" id="home-tab" data-toggle="tab" href="#home" role="tab" aria-controls="home" aria-selected="true">Home</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" id="profile-tab" data-toggle="tab" href="#profile" role="tab" aria-controls="profile" aria-selected="false">Profile</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" id="contact-tab" data-toggle="tab" href="#contact" role="tab" aria-controls="contact" aria-selected="false">Contact</a>
  </li>
</ul>
<div class="tab-content" id="myTabContent">
  <div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">...</div>
  <div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">...</div>
  <div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">...</div>
</div>