bigbud42012 wrote:
well dont have the money to buy the full game so im stuck

I am sure you can find $20 dollars or so for a game. Check steam or other game sources for great deals. Right now even though it is past the holiday season you can still find arma games for cheap or cheaper than they usually are.

edit: Try this
http://www.fileplanet.com/220759/220000/fileinfo/ArmA-2-Client-(Free-Game)