        
1.  AppID_UnlockDLC.exe
2.   Steam\appcache\packageinfo.vdf
3.     AppID  DLC Arma 3
107410
304380
288520
275700
332350
304400
      :   ?
1.   Steam\appcache\packageinfo.vdf
2.  Steam.exe      packageinfo.vdf   Steam.exe
3.     AppID
107410 - Arma 3
304380 - DLC Zeus
288520 - DLC Kart
275700 - DLC Heli
332350 - DLC Marksmen
304400 - DLC Bundle
 packageinfo.vdf          