All:
7) Open alterIWnet.ini in MW2 Folder
and change IP to the hosts one (e.g. 192.168.1.3)
If you want to change you're ingame nick,
just type it after the nickname=
8)start iwnetserver.exe and then Start iw4mp.exe
9) Click Play
Host:
10) Press ALT+ENTER to window MW2
11) Press ALT+TAB and open the console
12) Use command:
party_hostmigration 0; party_connecttimeout 1; badhost_endgameifisuck 0
13) Click into MW2 Window
All:
14) Find games
15) Choose the gametype you want to play
NOTE: On every PC you have to search for the same!
16) Now you get in the lobby,
if everybody's in:
Host:
17) Press ALT+TAB and open the console
18) Use command:
party_minplayers "X"
(X=Number of players)
iwnetserver.exe
enjoy :)