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Again, do not install the Obsolete version of OA or DayZ Mod on Steam. Do the same for Arma 2 OA followed by ACR, BAF, and PMC.
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Part of the installation and setup occurs when playing each game the first time. Next install and play Arma 2 Operation Arrowhead (OA) to at least game menu and then exit. Right click on steam.exe and run it as an Admin.Ģ) With steam.exe running as an Admin install and play plain Arma 2 (not Operation Arrowhead) to at least the game menu and then exit. The following is the easiest way to get everything setup and working properly on most systems the first time:ġ) Before installing anything find steam.exe (not a desktop shortcut) in your Steam folder (usually in C:\Program Files (x86)\Steam). Arma 2 SetupIf you are new to Arma 2 and its anticheat Battleye they are very picky with setup and folder permissions.
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