Is there a guide or something of how to play this kind of games?
I'm very new to fighting games and don't know where to start so I can actually play in a AI level over 1 and not being torn into pieces in less than a minute
Well, I suggest playing your friends the AI may be too tough for newcomers and I'll try to work on that. You can use a virtual network like Radmin VPN to connect with in-game.
Also, experiment with all the characters to find someone to fit your playstyle. I tried to design several archetypes so hopefully one will fit.
If that lets you find somebody you like you can go to training and try out their moves and see what they are about.