Windows 8 downgrade to windows 7?

I'm trying to downgrade win8 to win7 but as soon as i start the installation i get this error: "Windows setup experienced an unexpected error. To install windows, restart the installation." I downloaded and burned the installation from here: http://thepiratebay.sx/torrent/7049713/W… What could... show more I'm trying to downgrade win8 to win7 but as soon as i start the installation i get this error: "Windows setup experienced an unexpected error. To install windows, restart the installation."

I downloaded and burned the installation from here: http://thepiratebay.sx/torrent/7049713/W...

What could be the problem?
Update: Also I don't see why pirate bay is a problem? I've downloaded hundreds of torrents from there and they all work beyond the perfect state.
4 answers 4