Here is the HTML code you have to use inside your page template file,
<div class="wpdm-button-area mb-3 p-3 card">
<a href="#unlock" class="wpdm-download-link wpdm-download-locked btn btn-primary " data-package="3804">Download</a>
</div><ul class="list-group ml-0 mb-2">
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:version]">
Version
<span class="badge">118.0.5993.89</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:download_count]">
Download
<span class="badge">6973</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:file_size]">
File Size
<span class="badge">103 MB</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:file_count]">
File Count
<span class="badge">1</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:create_date]">
Create Date
<span class="badge">1 September 2023</span>
</li>
<li class="list-group-item d-flex justify-content-between align-items-center [hide_empty:update_date]">
Last Updated
<span class="badge">6 Maret 2024</span>
</li>
</ul>
Place this code inside the <div class="col-md-12">place the html code here </div>
page template file, and the file resides here wp-content > plugins > download-manager > src > Package > views > page-templates > page-templates-default.php
Here is the screenshot with the download button,kindly check
Regards