How to play Heroes 4 online?

Okay, first you need to download Hamachi, then join a network, and then in the game: 1. Network game. 2. If you're creating the game, create a game. 3. Via TCP/IP. 4. Then it's straightforward. 5. If you're joining, join the game. 6. Enter the name of the player who created the map. 7. Via TCP/IP. 8. Enter their IP address, which is shown in Hamachi, and click OK. Got it? Good luck!

Download Hamachi here