as the title insists, im looking for a way to do it for free. i tried googling, and found mostly paid-for stuff. I want to download using bittorrent clients without my isp knowing, or at least masking my ip or something.

Get a Seedbox. Ftp from there

Sent from my DrOiD IncReDibLe

BITBLINDER

ANOMOS

TOR

PRIVOXY

this are just a few
you did not google hard enough
anonymous P2P becomes very popular lately