A Venezuelan wacky guy living his Australian dream

Easy, the EILTS general course is based on the common language you will be using day to day and a little more complex phrases.
First thing to do is getting the IELTS preparation guide. It gives you a better understanding of what to expect of the exam.
If you want to practice a little bit every exam’s module you can take a couple of times spaced some week between each or, you can search some papers, articles and posts all over the internet to practice your skills to sum up, quick searching and reading. For the speaking module all you have to practice is your pronunciation and consistent ideas over your speech.
The non speakers of English should prepare very well for the examination. For example my wife took a full year course (her preparation was two months before taking the test) not just for the examination, it was also getting ready for the big change when the time comes.