If you mean F5 then yes you can as far as studying is concerned. However the format of the exam has changed with the introduction of MCQ’s, and you should therefore use a current edition of the Revision Kit.
If you do mean P5 then you should ask in the P5 forum and the relevant tutor will advice you.
If you are using our free Study Guide and watching our free lectures, then the only material you need is a Revision Kit.