Pagination on archive.php, category.php, taxonomy.php on wordpress

archive.php

<?php
if(have_posts()){
		while ( have_posts() ) : the_post();
      the_title();
    endwhile;
}
previous_posts_link();
next_posts_link();

functions.php

<?php
add_action('pre_get_posts', 'archive_paginations');
  function archive_paginations($query){
  	 if ( !is_admin() && $query->is_archive() && $query->is_main_query() ) {
  	 	global $wp_query;
  		$cat = $wp_query->get_queried_object();
           $query->set( 'post_type', array( 'your_post_type', 'post' ) );
           $query->set( 'posts_per_page', '4' );
           
           $query->set( 'cat', $cat->slug );
  
      }
      return $query;
  }