If you want to change the menu, find the following structure in your html file, change, delete or add new elements:
<ul class="menu-wrapper--menu-list active-window">
<li><a href="page-about-us.html" class="nav-link">Home</a></li>
<li><a href="page-team.html" class="nav-link">About</a></li>
<li><a href="page-services.html" class="nav-link">Blog</a></li>
<li><a href="page-contact.html" class="nav-link">Portfolio</a></li>
<li><a href="page-404.html" class="nav-link">Shop</a></li>
</ul>
.menu-item > a – main menu link