He right-clicked

Elias got to work. He highlighted a section of hiss. He opened the "Noise Reduction" tool. It wasn't the fancy neural network version he was used to; it was a mathematical algorithm. He captured the noise profile.

Where can I find the old version of Audio Audition? | Community

Years ago, Adobe disabled the activation servers for Creative Suite 2 and Audition 3.0. For a short time, they provided a serial-free installer for existing owners.