Windows 10: Minecraft New computer and I want my old Minecraft worlds back

So my old computers mother board cracked and the comptuer stoped working completely so i had to get a new computer and i want to get my old minecraft worlds back, ive done some research but nothing tells me directly how to get my worlds back, ive gone through the app data and all that comes up for mine craft is when i installed it today nothing els

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Missing world is in my folders but not in Minecraft W10 world list.

I have this one world on minecraft windows 10 editon that disappeared from my world list when my laptop froze and restarted. Upon going back on minecraft, the world disappeared. I've looked in the worlds folder and its still there, but its not on the world
list. What should I do to get it back on the worlds list? PLEASE make sure your answer deals with Minecraft WINDOWS 10 EDITION and not the JAVA EDITION please.

 

Minecraft worlds won't show up on the world list.

So when my laptop crashed while I was playing minecraft, the world disappeared. There was another question on here stating the same thing and one of the replys showed how to get it back. I went on the minecraft worlds folder and it was there but it never
showed up on the list on the actual game. I went back on minecraft and ALL my worlds were missing from the list! So my question is, How do I get them back to showing on the game?

 

Homegroup For Minecraft Servers Or What?

It looks as if the existing minecraft server will use the new system without modification - It needs to be able to access the computers on the network in a two way link, which is the standard for Workgroup and Homegroup

There is a complete step by step available, if you have any issues ...

Tutorials/Setting up a server – Official Minecraft Wiki

It's not something I have any direct experience with but a quick read suggests to me that you will not need to do Much if any reconfiguration of the existing server