WordPress register style and WordPress enqueue style

Where ‘style-woocommerce’ is the ID of your stylesheet and get_stylesheet_directory_uri().’/style-woocommerce.css’ is your .css DIR.

wp_register_style( 'style-woocommerce', get_stylesheet_directory_uri().'/style-woocommerce.css' ); 
wp_enqueue_style( 'style-woocommerce' );  

Function below is for woocommerce page css only. This will show on woocommerce pages else is not.

add_action( 'wp_enqueue_scripts','home_scripts' ); 
function home_scripts(){ 
	If( is_shop() || is_product_category() || is_product() ){
		wp_register_style( 'style-woocommerce', get_stylesheet_directory_uri().'/style-woocommerce.css' ); 
		wp_enqueue_style( 'style-woocommerce' );  
	}
}