Runing two copys at the same time

[vIaMin_e]

im trying to play two copys or d2 at the same time. i do have two legal cd keys but i dont know how to change them back and forth.

does anyone know how i can change my cd kay quickly?

Thanks.

 

[vIaMin_e]

anyone know where i can find a cd key changer?

 

[aphextwin]

http://www.blizzhackers.com/viewtopic.php?t=95081