Saved game
 

Where can i find my saved games folder?

It's the scenario folder in the DW game folder.

Can I get it full 100 % ? Without doing any missions

What are you talking about? Your last question makes no sense.

Okay, how can i open all scenarios...? aaaand, where can i play DW online :D ?

There are about 2 dozen singleplayer missions to play. But the campaign mission must be done in sequence. How it develops is dependant on your performance in the earlier missions.

I don't know if there are public servers for DW MP. I never play that way. I just know that you can set up your own mp server/host.

Just like with DW there are no public servers around. When you want to play MP you have to find others who are willing to play, agree a time/day and designate one player as host who has to publish his IP to the other participants. Once he has started the game and created a server the others can join him. Rest should be straightforward.