Hi midnightrider
Check out my tutorial post #35 with the links in Post #38
http://www.subsim.com/radioroom/showthread.php?t=211804
You will find everything you need to know in my tutorials.
If you cannot get to grips with anything just tell me the problem and we can work through it.
You say you are not computer savvy but with some help this should not stop you from having an enjoyable game to play.
No need to restrict yourself at all.
Peter