If you registered your copy in the past, you may find your serial number by logging into the Magix Service Center .

Copy the activation code provided by the developer and paste it into the final field of the activation wizard in Sound Forge. Troubleshooting Legacy Activation

Searching for "Sound Forge 8.0 activation code" leads to dangerous websites offering:

For those who bought the physical disc, the activation code is typically printed on a sticker on the back of the CD-ROM case or included on a registration card inside the box. Step-by-Step Activation Process Follow these steps to register your software: