Ok, this is from my last server, so it's not exactly going to be this color, but i edited out the name :p
Updating KRO
Double Click "Ragnarok"
Wait for it to Patch, here's what it will look like when it's patching

Here's what it will look like when it's done patching, the blue and red parts show it's done

click on the part that's circled in red.
It will show this

That will load, then close, and open a KRO client, close the client.
Now you are done patching KRO! Grats!


Patching Sakray~
Double Click "Sakray"
Then wait while it loads, get a sandwhich or somthing :D
it'll be loading when it looks somthing like this

and don't worry if it says

it happens to me and i'm alive :D

CONGRATS ON FULLY PATCHING KRO & SAKRAY!!!