I am the owner of TurboCad 2. Now, at the age of 77 years, I want something simple like version 2.0 because I know how to work with it. It must work on Windows 7 and the cost is an important factor.
If you want to upgrade your software, you can visit the following official website. There you can find useful information about the new features available and prices also. If you want, you can download a 30-days trial version from the following website. The newer versions have more features, but you can learn about them very easily by visiting the following tutorial web page or the following support web page.