ArmA 22.214.171.124 can be downloaded from our website for free. The most popular versions among ArmA users are 1.8, 1.6 and 1.5. This software is an intellectual property of Bohemia Interactive. You can set up ArmA on Windows XP/Vista/7/8/10 32-bit. ArmA lies within Games, more precisely Strategy. The program's installer files are commonly found as arma.exe, arma2OA.exe, arma 2.exe, ArmaTactics.exe or arma_1.08.exe etc.
From the developer:
A small US Army contingent has been sent to the Atlantic island of Sahrani with the purpose of helping to train the army of the local pro-American monarchy. The Kingdom of South Sahrani, rich in natural resources, has always been at odds with its Northern neighbor, the Democratic Republic of Sahrani. In recent years however, the situation has settled into an uneasy yet peaceful coexistence.
You may want to check out more software, such as ARM RVDS, ARM or ARM DS-5, which might be similar to ArmA.