wp query multiple values > display a specific value first

  'orderby' => 'post__in',
  'post__in' => array(5,6,3,8),

You need ACF to pass the ID’s in order but that should do it.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)