If you find a site offering a free key, run it through VirusTotal. Most will be flagged as malicious.
The only safe and legal way to use is by purchasing a valid license from the developer, Rogue Amoeba . Audio Hijack Release Notes - Rogue Amoeba Audio Hijack License Key 45
"Connection established," a synthesized voice whispered through his monitors. If you find a site offering a free
. A license key for this version is required to remove trial limitations, which otherwise degrade audio quality with white noise after ten minutes of use. Licensing and Pricing Audio Hijack License Key 45