If you don't have a key yet, you can try the software legally without a serial number: 7-Day Free Trial

If you already own a license and need to find your serial number (formatted as XXXX-YYYY-YYYY-YYYY-YYYY-YYYY ), follow these steps:

Elias copied the text. He opened the installation wizard. The gray interface of ABBYY FineReader 12 appeared, stoic and professional, demanding proof of purchase.

Just so you're aware: