I have an old zmerc keyboard (KU-0453).
I used this a few years ago with Windows XP.
Now I have Windows 8.1, and the keyboard works, but the software that came with the board no longer works. I have downloaded thew engine from Steelseries.com, but no luck.
US Nazgrel - Bikutanda
EU Lightbringer - Saanlem
"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff, The Tao of Pooh