HELPPPP PLEASE READ!!!! ERGANT

[SnipingBison]

Well i downloaded the Arma 3 trail and when it finished my friend try to send it to me but it said "RECON_Daniel already owns this game'' so i deleted my arma 3 content and it still says "RECON_Daniel already owns this game'' so how do i get my friend to send it to meee PLEASE HELP ERGANT THANKS IF YOU REPLY!!