The only safe way to obtain this software is through owning original, legacy licenses from a registered user.
Many engineers swear that the pitch detection algorithm in version 3 has a "snappiness" that newer versions lack. autotune 3 directx download link
: You may see pages on Software Informer claiming to host "Antares Autotune DX". These are often automated mirrors and may not contain the actual installer or could bundle unwanted software. The only safe way to obtain this software
You still need a valid iLok or serial key. Abandonware sites may offer the software, but without a legal license, it may not initialize. The Modern Alternative but without a legal license
At that time, there were three major plug-in formats: