Create Wordpress custom post type

1. To create custom post type http://www.wpbeginner.com/wp-tutorials/how-to-create-custom-post-types-in-wordpress/
2. To create different single post template for each post type use single-{post-type name}.php

3. To create different archieve template for each post type use archieve-{post-type name}.php

4. If single page not working for custom post type
        Add this to your functions.php:
        /* Flush rewrite rules for custom post types. */
        add_action( 'after_switch_theme', 'bt_flush_rewrite_rules' );

        /* Flush your rewrite rules */
        function bt_flush_rewrite_rules() {
             flush_rewrite_rules();
        }
     
        Then change your theme to a different theme and then set it back again to your custom theme. This will flush the rewrite rule and making the custom post working properly.