Hello,
We would not recommend you to order version 4 instead of version 6, as the latter simply offers a lot of advantages and new developments as you can - for example - see here:
http://www.hello-engines.com/highlights ... ts_pro.htm. In addition, version 6 is quite user-friendly and if the program help and user manual should not be enough, we are always prepared to answer your questions.
One possibility would be to download the
trial version of Hello Engines! 6 and have a look at it yourself - this will hopefully convince you that working with Hello Engines! is not too complex.
Best regards