Warm suggestion:
Download by "internet download manager" software to avoid the connecting interruption.
Please quit any Programs when you are playing game.
Click me to download Internet Download Manager v6.31 english version.
The download contents belows are same,
Please choose the fastest mirror to proceed your download.

This is full client for new player

Full Date Mirror
Full client January 5, 2019 Mirror1
Full client February 13, 2019 Mirror2

This patch is for split and full client
Patch Date Mirror