What versions of Delphi are currently relevant for desktop application development?

Question

Delphi

There was a need to develop small programs for internal use in the organization.
What versions of Delphi are currently relevant for desktop application development?
What is the difference between Delphi and RAD Studio (both 10.4.2)?

Answer 1

All versions after 10.x are relevant.
RAD Studio is a development environment that allows you to write in both Delphi and C++
Delphi is an environment where you can only write in Delphi.
Always use the latest version. The latest free version (Community Edition) is 10.3.3.