1. If you don't have a license you need to send us activation code and controller serial number.
2. If you have registration key, open "License activation" dialog and paste your registration key.
3. If you have license data file (.dat, .lic or .zip) you can import it. There is no functional difference if using registration key or license data file.
4. If you want to create backup copy of your license you can export it as license data file.