If you are a legitimate owner of the software, your serial number is typically located in one of the following places:
Acid Pro 7 may run in a 30‑day trial mode even without a serial. You can at least export your projects, though full features are locked. --- Sony Acid Pro 7 Serial Number And Authentication Code
During installation, choose "Manual Activation." You'll receive a request code. Take that code to the MAGIX legacy activation page (if still available) or email support. If you are a legitimate owner of the
Purpose