The Zu Online Team announced that the new 1.4.06 Patch had been released on May 21st with an adjustment to class balance and improvement of the PVP system.
Please visit the official site to download either the latest client 1.4.06 or the complete patch for updating any previous version to 1.4.06.
The Latest Client 1.4.06
Zu Online Game Client Link
Zu Online Game Complete Patch
For more download choice please visit here