Current questions and answers regarding the map editor.

Greetings forum members, please tell me what to do. I remember in Heroes 3 it was very convenient; using the map editor, you could create a map very simply and quickly, and enjoy playing against each other. Here, I don't know how; please tell me how to create maps and VERY IMPORTANT, so that the maps are created with a more or less large number of Dragon Utopias. In Heroes 3, so-called artifact lands were created on maps; there were many powerful artifacts lying there, with corresponding guards and many dragon utopias. Is it possible to create such maps in Heroes 5, or where can I Download them? Please help!
Thanks in advance to those who respond.