While version 11.9.0 of EaseUS Data Recovery Wizard is an older release, finding a "serial" or license code for it typically involves choosing between official activation or using free alternatives Legitimate Ways to Use the Software
If you need more than 2GB of recovery but cannot purchase a license, several reputable open-source or free tools offer similar functionality: serial easeus data recovery wizard 11.9.0
Downloading serial keys or "cracked" versions from third-party sites is strongly discouraged due to significant security risks: Malware & Viruses While version 11