Move file 'powerdatarecovery.exe' from folder 'Crack' (choose the version you want from 4 versions; Commercial, Enterprise, Personal and Technician) and paste over original file in folder 'C:Program FilesPowerDataRecovery' or installed folder
For differences between each version, follow http://www.powerdatarecovery.com/power-data-recovery-compare-license-type.html