Summary: Do Pass Year Exam Papers, do notes, know how to refer, sacrifice time, study happy, teach yourself, feel the briefness of time.
Get ALL THE PASS YEAR EXAM PAPERS done, despite you got just less than 2 months time. Start doing notes for your everyday review and near-exam revision by getting a notepad with you always. If you don't know how to deal with difficult questions, refer textbooks and lecture notes. Consult friends and teachers immediately when you cracked your head totally.
For the encouragement, always think you are a Professional Student. A Professional Student (1) get as much resources as possible (2)refer external sources proficiently(3)can sacrifice time to study(4)put away stresses and worries during studies.
If you don't do notes, you will feel loss and don't know how to start your revision. Notes are a way to appreciate what you have learned in the day instead from being loss in your short-term memory. So, RECORD NEARLY EVERYTHING about your subject, even those "easy job".
When you teach your friend on the subjects, you can remember best, as the act of teaching somebody foster better memory. But if you don't have anybody to teach to, just teach yourself by repeating the method one to two times.
If you are really bad in your subject(s), go for tuition. Never despise the power of tuition, it saves your future in a way FAST & FURIOUS. However, it's no joke.
I'm sure 2 months time is not enough for everyone, because there'll be a trial exam soon in your school, right? Now then you have <1 month left.