foxymilder

Ok first off im very new to this game so bear with me. right i bought and installed Arma 2 and operation arrowhead started game went to server list in multiplayer and tried to get in on a Dayz server but i keep getting failed attempt come up. not sure if ive done something wrong or not it says i need version 1.62 and shows i have 1.62 so im at a loss as to how i cant get onto the servers. Can any1 help me please