If you search the internet for "Audacity Autotune," you will quickly run into a frustrating paradox. Audacity is the world’s most popular free digital audio workstation (DAW), yet it does have a native, real-time Autotune effect like Antares Autotune or Celemony Melodyne.
Copy the .dll file (on Windows) and paste it into the Audacity folder (usually found in C:\Program Files\Audacity\Plug-ins ). 2. Enable the Plugin in Audacity Open Audacity and go to Effect > Manage Plugins . audacity autotune