So i got a "new" laptop from my uncle. I went to put in a DVD today and i get a window that says Windows Media Player cannot play the DVD because a compatible DVD decoder is not installed on your computer.

I clicked on "web help" and the decoders they have cost money. I searched for free decoders and theres TONS of them. Im wondering which FREE one is the best? And what site do i go to to get it?