2 weeks is more than enough, don't worry.
First week, go over all the knowledge, try and get your family member to randomly test you on any part of the book. Do a past paper and see which topics you're weak on.
Second week, past paper after past paper, keep repeating past papers to see what you get wrong, revise those topics which you're weak on, keep doing past papers. You should be prepared enough by the time that exam rolls around.