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I have issues after PC/Win launcher has installed, trying to download the game and starting it. Either nothing happens or I get a black screen.

What can I do to solve this? 
Reinstalling doesn't solve it. 

Well, I could not download the latest version. 

I will try that, thanks for responding. 

So, I bought this game less then a week ago, new update pops up and now I would need to lay down another 5 dollars for this? Is that doable by donation or would I need to start over and pay 10 dollars in full? 

I noticed the same, it is indeed a softlock. Thanks for the advice btw