It’s important to start with a clear disclaimer: It was never officially coded as a native Intel 64-bit macOS application. The version string you provided suggests a cracked/pirated “INTEL” release, which would likely be unstable, incompatible with modern macOS, and a security risk.
The text on the plugin interface shifted. Where "Key" had been, it now read: Antares Auto Tune 5 RTAS TDM VST AU OSX INTELl