First download Lancraft here, after downloading extract lancraft.zip.
copy lancraft.exe file in Your Warcraft 3 directory (C:\Program Files\Warcraft III).
Strat lancraft.exe before starting Warcraft 3.
In field with “184.108.40.206” insert Host’s IP and click on “Start Warcraft” button.
In Game chose “Local Area Network”, in “Games” field select game and click “Joing Game”
If You are Host You don’t start lancraft, but You can start tool for game host caled Battle.Lan
Read This IP Addres Guide
To play Warcraft 3 with Lancraft You will need to unblock port 6112 on You firewall.
Setting Up Firewall in Windows XP
Setting Up Firewall in Windows 7/Vista
Host Lookup Canceled
On this error just click OK.
Unable To Enter Local Game
If You can’t enter lan game make shure that in the game is seted to port 6112!
To set port enter Options>Game Play
"Don't Send" error
On this error make shure that Warcraft 3 is not running and that other Lan Emulators for Warcraft 3 are not running.
Check guide for lancraft in Chinise language.