In case anyone still doesn't have Arma3 or the DLC, there is a pretty good bundle deal on the BIStore, basically everything except Apex for $21.28:

https://store.bistudio.com/products/arma15-bundle

Games included:
Arma: Cold War Assault
Arma: Gold Edition
Arma 2
Arma 2: Operation Arrowhead
Arma 2: British Armed Forces
Arma 2: Private Military Company
Arma 2: Army of the Czech Republic
Arma 3
Arma 3 Karts
Arma 3 Helicopters
Arma 3 Marksmen
Bonus content:
Artworks
Box arts
Icons
Wallpapers
Soundtracks
Maps
Digital Tactical Guide