how can i create successfull popup window after register in php : <p><a href="https://i.stack.imgur.com/S0MAp.jpg" rel="nofollow noreferrer">first part</a></p>

<p><a href="https://i.stack.imgur.com/Td26k.jpg" rel="nofollow noreferrer">second part</a></p>

<p>How can I create successful popup window?</p>
