If you want to pass the PMP exam, you'll first need to qualify for the exam and then create a plan for how you'll pass the test. Let's get that part straight right away: Your goal is pass the test. Your goal is not to take the test. Your goal is not to get a perfect score. Your goal is simply to pass the test.
You're a project manager. If you were assigned a project to build a condo, develop new software, upgrade a network, or any other possible task, you'd need to create a project management plan. You'd identify all of the requirements for the project and then map a way to achieve the goals of the project customer. Why should your effort to pass the PMP exam be any different?