When your data is on the line, cutting corners with compromised software activation codes is a gamble with incredibly low odds of success. Best-case scenario: the code doesn't work, and you waste time. Worst-case scenario: you infect your PC with ransomware and permanently overwrite the deleted files you were trying to save.
To unlock the premium features, the best approach is to purchase a legitimate activation code directly from the developer. Disk Drill Pro Activation Code 344