If you don't want to commit to a monthly fee, here are excellent audio workstations with powerful features:
Since Audition 3.0 is essentially "dead" in an official capacity, you might consider these paths: Serial Number Adobe Audition 3 0
Audition 3.0 cannot run modern 64-bit VST3 plugins, limiting you exclusively to outdated 32-bit VST2 formats. Modern Alternatives to Adobe Audition 3.0 If you don't want to commit to a
For those who loved Audition 3.0 primarily for its destructive waveform editing and simple layout, Audacity is the logical successor. It is lightweight, receives constant security updates, and runs natively on Windows, Mac, and Linux. 2. Reaper (Free Trial / Low Cost) receives constant security updates