To update the footer address information open the following file,

/partials/footer-widgets/widget-4.hbs

You will see the code following code there:

<div class="footer-widget">
    <h5 class="mb-3">{{t "Contact Info"}}</h5>
    <ul class="footer-nav list-inline">
        <li><a href="#"><span class="icon"><i class="fas fa-map-pin"></i></span>New S. Sales Road, Toronto,
            CA</a></li>
        <li><a href="#"><span class="icon"><i class="fas fa-envelope-open"></i></span>[email protected]</a>
        </li>
        <li><a href="#"><span class="icon"><i class="fas fa-phone"></i></span>+1 (123) 123 456</a></li>
        <li><a href="#"><span class="icon"><i class="fas fa-fax"></i></span>+1 (123) 123 456</a></li>
    </ul>
</div>

Now update it as your need.