How to download minecraft ps4 edition?

So i have minecraft ps3 edition full version but 2 days ago i bought ps4 and i download minecraft ( in the same account) in my ps4, so i start it and go to the tutorial and i save the game but minecraft said * unlock the full version game* and i click it and ps stpre said * open the game* and i still have minecraft demo… What can i do?!

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