How to Display Recent Posts From A Specific Category In Homepage

Hi, I’m sorry if this is a silly question or outside the scope here
The default recent posts shows posts from all categories. And there is no option to filter them by category.

So How to display recent posts from a specific category on the Homepage.

I don’t have much experience with PHP but I found this code on a site

<?php $catquery = new WP_Query( 'cat=72&posts_per_page=5' ); ?>
<ul>
 
<?php while($catquery->have_posts()) : $catquery->the_post(); ?>
 
<li><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></li>
<?php endwhile;
    wp_reset_postdata();
?>

But I don’t know where to add it? and how to style the post cards