: Adobe shut down the activation servers for Audition 3.0 over a decade ago. Even if you have the original installer, you cannot activate it through official channels.
If you need Adobe Audition on a modern Mac (including those with M1/M2/M3 chips), you should use the current version through . Adobe Audition 3.0 [Audition 3 / CS2 are dead] | Community adobe audition 3.0 free download full version for mac
: Adobe Audition 3.0 (released in 2007) was built strictly for Windows. There is no "full version for Mac" of this specific release. : Adobe shut down the activation servers for Audition 3
: Adobe has removed all public download links for Audition 3.0, including the "unlocked" version that was briefly available for existing license holders. How to Get Adobe Audition on Mac Today Adobe Audition 3
Official support for Adobe Audition 3.0 has ended, and Adobe no longer provides a free download of this version. Importantly, Adobe Audition 3.0 was never natively released for Mac; it was a Windows-only application. The first version available for macOS was Adobe Audition CS5.5.