To Change Main Menu logo and ads option just in the section to use.
<div class="container">
<div class="row align-items-center">
<div class="col-xs-12 col-sm-3 col-md-3">
<!-- Logo -->
<div class="logo">
<a href="index.html">
<img src="images/logos/logo.png" alt=""> <!-- Replace Logo Here -->
</a>
</div>
<!-- End Logo -->
</div>
<div class="col-xs-12 col-sm-9 col-md-9">
<div class="top-ad-banner float-right">
<a href="#">
<img src="images/news/ad-pro.png" class="img-fluid" alt="banner-ads">
</a>
</div>
</div>
</div>
</div>
</header>