Log on to the server you want to save your skill bar to as you will have to save it to each server you'd like your skill bar to load, per character, not account. Stay in game as you do the following directions;
Start>Run>REGEDIT>HKEY_LOCAL_MACHINE>Software>Knig ht Online>Look for your KO account ID name followed by the server you are currently online on (server 1, 2, etc) and followed by _1, _2 or _0. (for example, "Danny123456_ARES1_0" = middle char of the account danny123456 of server ares1)
_0 = Middle char on account
_1 = Left char on account
_2 = Right char on account
When you find the right one, right click it and click "Permissions"
Then click Advanced>Add>Advanced>Find Now>The username you registered to your Windows (for example if I named my computer "DANNY"), there should be 1 head icon beside that user name (not two)>Then click OK and OK again>A new window should open up and check in Deny from Set Value>Click Apply, Yes and click OK until you can close the Registry Editor.
Log off the game normally, some people tp to moradon to make sure it saves but it's unnecessary. When you or your sharer relog, your skill bars will be saved to your computers and no more needing to remake them everytime you log on...