No. Those videos usually link to malware. Antares Unlimited is a subscription – there is no “free download.”
For those searching for “download” steps, here’s the definitive, safe walkthrough: Antares Autotune Free Download Mac UPD
In short: No legitimate “free download” of the full, updated Auto‑Tune exists. But there authorized ways to use it at zero cost, at least temporarily. here’s the definitive