<div class="container post-pagination">
<div class="row">
<div class="col-md-4"></div>
<div class="col-md-8">
<?php
echo get_the_posts_pagination(array(
"screen_reader_text" => ' ',
"prev_text" => "New Posts",
"next_text" => "Old Posts"
));
?>
</div>
</div>
</div>
<div class="container post-pagination">
<div class="row">
<div class="col-md-4"></div>
<div class="col-md-8">
<?php
the_posts_pagination(array(
"screen_reader_text" => ' ',
"prev_text" => "New Posts",
"next_text" => "Old Posts"
));
?>
</div>
</div>
</div>
https://codex.wordpress.org/Function_Reference/get_the_posts_pagination