It's fairly easy to create private servers on battle.net, but if you haven't actually "bought" the game, then your only option is to either LAN up with some friends or use Hamachi and create a virtual LAN. That being said, LAN play doesn't give you access to some of the higher-level stuff you can get when you actually play on battle.net
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It's fairly easy to create private servers on battle.net, but if you haven't actually "bought" the game, then your only option is to either LAN up with some friends or use Hamachi and create a virtual LAN. That being said, LAN play doesn't give you access to some of the higher-level stuff you can get when you actually play on battle.net