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The way that I studied, which worked very well for me, was using the Princeton Review GRE book. I wanted to save money so I checked it out from the local library rather than purchasing the book. Read through the book and do all the practice problems and sample exams. For the exams, it's very important to take them as an actual exam. This means no peeking at the answers and time yourself. Properly score yourself afterwards and use your resulting score to motivate yourself to do better.