1) put map in F:\Program Files\Steam\steamapps\common\Arma 3\MPMissions
2) Start ARMA 3 BETA via steam
3) host server and select map
4) click play
5) get "you cannot play/edit this mission; it is dependent on downloadable content that has been deleted.A3_air_F_MH9, a3_soft_f_hunter, A3_soft_F_Offroad, A3_soft_f_galkin, A3_f_boat_assultboat, A3_f_boat_speedboat, A3_F_static_MK6, A3_air_f_KA60"