Sorry if that wasn't clear enough, I meant the root of your Demon Deals windows game folder. Here is what my folder look like, and i can run the game, launching the file that is selected :
View attachment 2248680
Don't try complicated stuff, it is not about any security related things, like "root files". I hope it will work for you as well, I just downloaded nwjs.app, on nwjs.io website (you should keep the file if you need it for other games), pasted it in the windows Demon Deals folder, and executed it.