<?php
$args = array( 'numberposts' => 3, 'order'=> 'DESC', 'orderby' => 'post_date', 'category' => 7 );

$postslist = get_posts( $args );
		
foreach ($postslist as $post) :  setup_postdata($post); 
?> 

<h2><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h2>
                  
<?php the_excerpt(); ?>
                 
	
<?php endforeach; ?>

Modify the array to  get different number of posts, change the order, change / add categories etc.

Wordpress - get posts for a category

wordpress

PHP