Just after logging into Steam, the console window will hang and ask for a validation key.Run the #Arma3server_steamcmd_example.cmd file.Create an #Arma3server_steamcmd_example.cmd file and save it to D:\Games\ArmA3\A3Files.(This will download and install the required steam files to your custom steam directory) Download steamcmd.exe and save it to your targetted Steam install directory (E.g D:\Apps\Steam).The following instructions will guide you through setting up one Arma 3 server on 1 box, however they will also set the foundations for installing multiple servers on that same box: If you are in doubt, contact your Internet Service Provider. Arma 3 server does not support IPv6 or DSlite IPv4 via IPv6 tunnel.