If you're interested in using a similar audio editing tool, I highly recommend checking out Audacity, which is available for Windows, macOS, and Linux. You can download it from the official website: www.audacityteam.org .
The serial number system was designed to protect software developers from piracy and ensure that users received support and updates. However, as software became more widespread and the internet facilitated global access, the management of serial numbers became increasingly complex. Peter Quistgard Cool Edit Serial Number