The innovative Gleim Test Prep Software is designed to work with the Review System to improve your study process and test your knowledge in a familiar, interactive environment with actual EA exam questions. At the end of each study unit you should complete two 20 question quizzes. Once you have completed all the study units for whichever part you are preparing, spend about 10-20 hours per part using the Test Prep Software create customized tests for the problem areas that you identified. To review an entire part before the exam, use EA Test Prep Software to create 20-question quizzes that draw questions from all study units in the part. Continue taking 20-question quizzes until you approach your desired proficiency level, e.g., 75%+.