From then on, Emily made sure to keep her license key safe and sound, and she never forgot the kindness of her friend Alex, who had helped her out of a tight spot. The experience had also taught her the importance of keeping track of important documents and licenses, especially when it came to software that was crucial to her academic work.
A license key is a unique code provided by ABBYY that activates the software and grants access to its premium features. Without a valid license key, users are limited to the trial version's functionality, which may not be sufficient for their needs.