Hamachi is a great freeware application which establishes direct links between computers, through lan or over the internet, giving you access to play warcraft etc without (almost) any lag. Hamachi works with your existing firewall and it doesn’t requires any additional configuration. It is simple, secure and one of the best ways to play games with each other.
Hamachi Features:
• LAN over the Internet Arrange multiple computers into their own secure network, just as if they were connected by a physical cable.
• Remote Access Remote control any machine on your network with Remote Desktop.
• Files and Network Drives Access critical files and network drives.
• Zero-configuration Works without having to adjust a firewall or router.
• Security Industry leading encryption and authentication.
How to play Warcraft through Hamachi:
1 – Download Hamachi
2 – Install and setup Hamachi
“Join the network that you all will be using.”
3 – If you are the host, Run Hamachi and then run Warcraft.
4 – Host a game by going into local area network and create game.
5- Other players should have LanCraft which allows you to play TCP/IP games through Lan.
6 – Download Lancraft
7 – Type in the IP address of the host which is shown in Hamachi
8 – Start Warcraft and goto local area network. It will show the hosted game. Join and play.
Problems / Trouble shooting:
1- Open tcp ports 12975 and 32976 on your router.
2 – Set your Hamachi network device at top priority. Go to advance settings in your network device listing to do this.
3 – You may may need to open port 6112 on your router.
4 – Disabling firewall can help sometimes too.
Enjoy 