Mu Online Version & Klient

Hello please, i use some servermufiles and the version is
ClientExeVersion = 0.97.00
ClientExeSerial = DaRKSideOfMU_979

what's that version? 97d?

and please can somebody send me clear client for 97d+99i ? or only 97d its not matter.

Thank you :) (Im noob i know it and sorry for my bad english)