Get file name & path from a file field in drupal8

$node = Node::load(nid);
$file_path = drupal_realpath($node->YOURFILEFIELDNAME->entity->getFileUri());
$file_name = $node->YOURFILEFIELDNAME->entity->getFilename();
Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed