Avoid "serial key generators" or "crack" websites. These downloads often contain malware and the keys provided are typically blocked by the developer's activation servers.

Ease of use

If you are moving to MacDrive 11, you will likely need your MacDrive 10 serial number to qualify for upgrade pricing.

To move MacDrive 10 to a new computer, you must first deactivate the current installation. Go to Manage my license > Deactivate while connected to the internet to free up a "seat". Troubleshooting Common Issues MacDrive 10 Standard Support

: MacDrive 10 is developed by Paragon Software (or was, depending on the current ownership and development status). You can visit their support or customer service section. If you have an account with them, you might be able to find your serial number there.