How do I get the world file?

[JubeanHamukea]

How do I get the actual world file of the chunks that I have downloaded through this program? I've tried placing the world folder into the saves folder, but the region files don't seem to work and don't give me the buildings I have in the server, that I am trying to save, and instead give me a random world with only the player's co-ordinates themselves being saved, no blocks, entities or anything else.

[Enderdodo974]

I have no idea, i got the same bug and I am trying to fond a way

[Louis-Dittmar]

I have this problem sometimes, too. And my own workaround, I don't know how good it works. If you are on your server and you change to another world you have to pause the Download before, klick on reset and then start it in the new world that you want Download, start DiwMy experience has shown that it is also recommended to click on Save and Exit.