Hello,
I saw the screenshot you attached.
Please add the following HTML code in the CopyRights area under Theme Settings >> Footer.
<small><a href="http://woodmart.xtemos.com"><strong>WOODMART</strong></a> <i class="fa fa-copyright"></i> 2019 CREATED BY <a href="http://xtemos.com"><strong><span style="color: red;font-size: 12px">X</span>-TEMOS STUDIO</strong></a>. PREMIUM E-COMMERCE SOLUTIONS.</small>
<img src="" alt="payments">You can replace the src of the tag with the image on your website.
Regards.
Xtemos Studios