If you encounter a bug or an installation error, you cannot contact ABBYY support. Legitimate licenses ensure you have a team to help when things go wrong.
: There are risks associated with obtaining serial numbers from third-party websites or marketplaces. These sources might provide you with a working serial number, but there's also a chance the software could be bundled with malware, or the serial number could be revoked by Abbyy, putting you at risk of legal repercussions. abbyy finereader 12 serial number list link
If you have a legitimate copy, you can find or activate your serial number through these official methods: If you encounter a bug or an installation