Korg i5s to PC!

[virtuoso]

Hello!

I have i5s now for 10 years and I'm hooked up with it,I use it in live performances.
He still uses me well,but 2 years ago,floppy disk stoped working (very known trouble).My problem is that I would like to modify styles and to load downloaded styles from the net.I was told that it could be done by switching my Korg to pc through "to host" output,and I have that cable and I've done it (the pc recognize it like "unknown device").

Could someone lead me through the rest of procedure "what should I do next" ?

Thank you very much.