Hi attempting paper P Two after a long gap

HI

I’m starting to prepare for Paper P two after a couple of years I passed my F Seven four years back do i need to revise all the syllabus of F Seven as well ? I’m using Opentution notes and video lectures to prepare I’ll be doing past exams practice and Exam Kit as well as soon as I go through the lectures and notes please provide your precious guidance
Do i need to go through F seven as well ? is it necessary ?
Regards