hello I am not sure what I have gotten myself into because I am not really good with computers and I don't know what any of the technical words are for things but I have ordered a in home studio that contains the cakewalk sonar LE and I am not sure if my computer will hold it I was wondering if someone could tell me if I am going to need a new computer.
here is what I have
 
3 GB DDR3 Memory
500 GB HDD
DVD-super muti DL Drive
intel core 3*370M Processor
 
Thank you so much Im a quick learner just need to know how to do it lol....hopefully I will beable to fiqure this program out I have seen it being used before.

What you listed should be more than adequate, however, you didn't mention an audio device. You'll need one of those (sounds cards can work, but typically offer inferior sound rendering).