simple question regarding LAN

[AngEviL]

Some of my favourite games don't work over TCP/IP, only LAN

My question:

How do i manually edit in windows, or what is a free 3rd party program to use to play games over TCP/IP using the LAN options (for examply my buddy is hosting over LAN and i am in the lobby and press refresh and i can see and join his game). I have his IP adress and everything.

Thanks

[AngEviL]

maybe i wasn't clear, we are not in a LAN, we are in different towns.

Those games do not support TCP/IP, i just want to 'fool' windows in some way to think that we have a LAN connection together and when we go to LAN games to be able to play. I'm sure there isa 3rd party program to do that or some way to set up a LAN in windows and direct me to his IP adress