Helferty

K first off im no computer whizz but ive been following this game for awhile now and decided to buy the combined operations pack through steam last night. Ive given each game (arma 2 and operation arrowhead) a quick play and im ready to play some f****** zombies, i wanna punch my computer right now, from what i understand i have a version 1.7.6 i think, and all the servers ive been trying all day use 1.7.5 or something......anyway a simple explanation in lamens terms would be awesome, apologies for the anger i jus quit smoking last week and have no patience for anythuing right now, thx in advance to anyone who can help.....take care