That is an image for burning a DVD. The .img isn't really a folder. It's a file that on your computers the operating systems are treating as a folder.
Just use your burning software's "burn image" feature and load the .img file and burn it.
What you'll end up with is a DVD that will play on just about any DVD player.
By the way, it sounds to me like you're trying to pirate a movie. I'm operating under the assumption that you're not.