BitTorrent® is a peer-to-peer file sharing protocol that allows users to distribute data and electronic files over the Internet in a decentralized way. When downloading a file through BitTorrent®, you are downloading from multiple computers (peers) that have the file, which increases download speed and efficiency.

Yes, BitTorrent® is free for downloading and sharing files. There is a premium version called BitTorrent® Pro that provides additional features such as no ads, a built-in media player with codecs, and improved security. Note that some third-party torrent sites may charge for premium content or services.

Using BitTorrent® is legal since it is merely a file sharing tool; however, legality depends on the content shared. Downloading or sharing copyrighted material without permission is illegal in many countries. Users need to ensure they have rights to the content they share or download to avoid legal issues.

The BitTorrent® app features fast download speeds via peer-to-peer technology, the capability to download multiple torrents simultaneously, a built-in media player for viewing downloaded files, and a user-friendly interface. It also offers advanced settings for power users to control bandwidth and download preferences.

For optimal performance, use a stable and fast internet connection. Download torrents with a high number of seeders to improve speed. Adjust bandwidth settings and limit the number of active downloads to further enhance performance.