Below are the instructions from the User Manual
License Transfer functionality
In case you need to change or re-install your computer you can transfer the
license to the new system by using the License Transfer functionality of
Multiecuscan.
Here is how to use the License Transfer function:
1. Open Multiecuscan on the computer where you have license.
2. Go to “Register” window and click “Deactivate” button
3. The system will generate a Removal Key (see the screenshot below)
4. Write down all 3 keys from the Register window – Hardware Key, License Key,
Removal Key.
5. Install Multiecuscan on the new computer.
6. Open Register window and write down the new Hardware Key.
7. Go to
http://www.multiecuscan.net/TransferLicense.aspx and enter the old data
(Hardware Key, License Key, Removal Key) and the new Hardware Key and your
email and click “Request License”.
8. You will receive an email with the new License Key.