P2P file sharing programs are free. Period. But there are P2P scam sites out there that want you to pay them instead. P2P scam sites are rogue companies that have set up shop to fleece unsuspecting music downloaders looking for file sharing programs by charging a fee for an otherwise free service. No P2P file sharing software costs money. Exceptions would be a site asking members to make a monetary donation to help pay for bandwidth, hosting costs, and other administrative costs. Some P2P fil.