Hi there,
Thank you for reaching out. Please follow the the instructions. I hope it will help you.
If you use portfolio default. Follow this instructions.
templates/shaper_rhino/html/com_spsimpleportfolio/item/default.php
https://prnt.sc/KuP3WXkKfy_n
https://prnt.sc/_Xkk7uW6RFLz
<?php if ($this->item->url) : ?>
<div class="sp-simpleportfolio-link">
<a class="btn btn-primary" target="_blank" href="/<?php echo $this->item->url; ?>"><?php echo Text::_('COM_SPSIMPLEPORTFOLIO_VIEW_PROJECT'); ?></a>
</div>
<?php endif; ?>
If you wanna use Page builder then watch the video.
https://drive.google.com/file/d/1tbN8er5xCxIeHdY0Ej6e4Cff2uHdaQaH/view
Best regards,
Toufiqur Rahman (Team Lead, Support)