An inline related post is basically a link to a relevant article in the middle of a blog post which is proving to increase pageviews. First thing you need to do is install and activate the Inline Related Posts plugin. Upon activation, you need to visit Settings > Inline Related Posts page to configure the plugin settings and click on the Active option to be able to view the plugin settings. You can change the appearance of how the related posts will appear in your posts. There are two free themes that you can use, and you can also customize them by changing the colors. You will find an option to add inline related posts into existing posts and select how many links you want to add in each post. You can also enter the amount of words that should be used as gap between two related post links. Lastly click on the save button to store your settings.
For further details about this tutorial, check at Inline Related Posts in WordPress Blog Posts.
