Well you need to get in touch with IDP and British council study consultants. They help students with a line of courses. Do that and figure things out
Do extended research on internet also, try to talk to people who are already studying there it will give you a real insight.
The internet is at your disposal. Gather info from websites, YouTube, and connect with students online. You can contact abroad consultancies, they provide info and guide you through the process free of cost. You can visit your nearest consultancy office.