This is a great game but why does it say bad download or not enough storage even though my storage is not full yet

Hoe do I Download. The game it Says that I don't have Enough Space. Even though I do.

Warning:Virus!!!! Don't download this game it's already failed install and my 16gb free storage is full now,idk what happened and find in the other file but I found nothing.Now my other files is 20gb.I clean other files app but only found 4gb still missing other files.Hack or virus.just don't download it.