Convert 14 year old complex graphics editing program written in Delphi, into a subscription app.

This is a large, complex graphics editing program, for the medical industry. Must be well versed in Delphi and Microsoft Visual Studio C++. Must be a Delphi expert with at least 4 years experience, and have the Delphi 7 and Delphi 10 compilers. The program is in Delphi 7, must be converted to 10. It uses GR32 which could be a problem with Delphi. We will want to add a few enhancements to the existing code. Copy protection and security of the code and reactivation process are of top priority.