Help!!!!

Guys I need help!
IDk how to run 2 times crossfire to login with 2 account so I join to one room with both accounts and killing other with my main...
How to run 2 crossfire's????

u cant run 2 "crossfire" games on one computer you must have 2 computers

It must be possible . It's possible in everygame why not crossfire...

I would be really happy if a real anser was given I searched every where on the net but found noting