For this game is a litle demanding but i will be short on it as possibol.

1.step hamachi you need this for be connected with your friends (mind a bout it you have limit of 4 players for playing it)

2.step on your control painel form your windows you need to go for your firewall and creat a exception for the programe of dosbox full premission.

3.step is to run your game as a host or your friend with a good connection.

4.step your friends need to run the game as network client when that hapen the game will ask you for ip then you use the ip of the host from hamachi ip.

from all this is ready.

what you need não as a networking user is to go for menu of multiplayer and join host will be listed the game in there as a namke of the team or name of the user host.

the picture have some steps from it