A simple Google search for "Auto-Tune 5 Free Download Full Version Mac" will lead you to many torrent and warez sites. However, before you click that download button, you must understand the risks:
Instead of chasing a dangerous, outdated 32-bit plugin, here are legal ways to get free or very low-cost pitch correction that works perfectly on modern Macs. Autotune 5 Free Download Full Version Mac
Antares now offers an Auto-Tune Unlimited subscription. For a small monthly fee, you get access to every version of Auto-Tune ever made, including Auto-Tune 5 (via legacy installers) and the new Auto-Tune Pro. This is the most affordable way to use the full version legally. A simple Google search for "Auto-Tune 5 Free