None of those papers have been accepted as correct, the problem remains open.
There's a gazillion articles describing the context and importance, and I suggest you do a web search for something like "P vs NP and why it's important".
Here's one: http://www.scottaaronson.com/blog/?p=459
HN discussion: https://news.ycombinator.com/item?id=1605415
A good place to start to get a sense of what's going on with this specific paper is this thread, but more particularly, the articles linked from it. One that I think is a great starting point is this one:
https://johncarlosbaez.wordpress.com/2017/08/15/norbert-blum...
But you should perhaps start by asking the question you actually want the answer to - it sounds like you didn't. So take a moment, do some reading, then come back with particular questions. They may already be answered, but before you did the outside reading you didn't realise. That's what happens to me.