Steam and expansions

[LANCERZzZz]

So I bought ArmA 2 from steam, and Operation Arrowhead and PMC from Sprocket. OA and PMC both recognized and installed to my ArmA 2 directory in my steam folder and created Combined Operations. If I were to buy BAF from steam as well, would it recognize my OA since it installed to my ArmA 2 folder and became CO?

[Nicholas]

It will automatically install wherever Operation Arrowhead is located. So yes, it should work.