If you click a "Download Now" button on a site claiming to be PirateBayS3, you are likely installing malware. Legitimate mirrors use magnet links only.
: The primary concern with The Pirate Bay is that it facilitates widespread copyright infringement. This has led to numerous legal challenges and shutdowns, but the site has managed to stay online through various domain changes and mirror sites.
Using any unofficial mirror like Piratebays3 carries significant risks compared to the official .org or .onion (Tor) addresses.
Beyond traditional media, TPB also expanded into the physical world. In 2012, it introduced "Physibles"