This tutorial provides the steps to add previous and next post links on single post pages in Oxygen.
Edit your Oxygen template for single blog posts.
Add a Section where you want the previous and next post links to appear.
Add a Columns element with 50 50 column layout.
Add a Code Block element in the left column having:
<?php previous_post_link(); ?>
Add a Code Block element in the right column having:
<?php next_post_link(); ?>
Select the right column div and set Right horizontal item alignment.