Does it come with a default setup, supporting at least the keys of a standard QWERTY keyboard?
by default, once you add your program to keyclone (ie: wow.exe)... every key you type into one will be sent at the same time to the others.

so... if you hit spacebar to jump and you had 5 characters in keyclone, they would all jump. there is nothing more you need to do to get the basics up and running. keymaps, do-not-pass, mouse-mapping, and round-robin are all on top of the basic functionality.