As of [current date], Antares Auto-Tune is available in several versions, including Auto-Tune EFX, Auto-Tune Pro, and Auto-Tune Live. The software is compatible with Mac OS X 10.12 or later and requires a 2.4 GHz Intel processor or higher. Users can download the free trial version of Auto-Tune from the official Antares website or purchase a license to use the software.