Since Antares no longer hosts a direct public download for Auto-Tune 3 on their main shop, finding a legitimate link requires looking at archival sources:
Since many modern DAWs have dropped native DirectX support, you may need a wrapper that makes the DX plugin appear as a VST. autotune 3 directx download link
If you are looking for the "Auto-Tune sound" or efficient pitch correction, Antares now offers several modern versions that are fully supported on current operating systems: Auto-Tune Pro Since Antares no longer hosts a direct public
Let us cut straight to the chase:
: Older versions (pre-Auto-Tune 7) may require manual serial number registration. If you cannot register your code, you may need to contact Antares Support with your original details. Modern Alternatives autotune 3 directx download link