I need more help... Rick August 21, 2017 20:35 Updated Follow If you need more help, contact our support team. Please have your serial number when contacting us. Related articles How to retrieve a lost serial number or software installer file Can I move my license to another computer? MacDrive 10 needs Windows 7 Security Update Mac disk not 'seen' by Windows (no drive letter) Why does the software say my serial number is invalid? Comments 0 comments Article is closed for comments.