If you're going to take the GRE in less than a month, then it's time to start studying. Yes, it is recommended that you do not. One last thing I would recommend is to practice some of the most difficult GRE mathematical problems. I've been told that the test is adaptive, I'm not sure if that's true or not, but my second quantitative section was MUCH more difficult than the first one.
I had about 3 or 4 questions that I would consider very complicated. In fact, I was a little unprepared for this. Look for difficult questions and work on them persistently. The GRE is one of the most popular entrance exams internationally and thousands of students take this exam every year.
First of all I should mention that I did the GRE once 5 years ago and got a 325 (168Q, 157V), but I took it again to apply for MBA programs (I chose GRE instead of GMAT because I had already done the GRE before and it was last minute, so I didn't have much time to prepare). I improved 8 points in the verbal session compared to the score I got on the ETS PowerPrep II road test, which I did on the first day of preparation; and in my opinion, the key (for international students; I have no idea how native students would perceive verbal GRE) to improving the verbal part of the GRE in a short period of time is for studying vocabulary. Unlike shorter deadlines, the 2-month GRE curriculum gives you time to discuss each and every topic in the Quantitative Reasoning sections of the GRE so that nothing surprises you on the test itself. Relying on the right resources and adhering to your curriculum will greatly help you prepare for the GRE.
In 12 weeks, you will be able to master all the mathematical concepts covered in the QR section of the GRE and you will be very comfortable with the three types of questions in the VR section of the GRE. However, it is not as much time as it seems, so this study program requires around 3 hours every day, as well as one day a week that you can spend taking a full practice GRE exam. Be sure to read the analysis of each question you answer incorrectly so that you learn not to make similar mistakes during your actual GRE exam. Final Comments To be completely honest, I don't think anyone needs to prepare more than 4 to 6 weeks for the GRE.
On the other extreme, your GRE scores are still official for 5 years, so don't bother taking the GRE if you don't plan to apply to a graduate program at that time. You'll also cover the 1,000 GRE words included in most GRE flashcard packs, and you'll have time to add your own supplemental reading words. Taking a practice test at the beginning of your GRE preparation is a great way to assess what you need to work on. Also, if vocabulary is an area you have set out to improve, plan to carry GRE flashcards (physical cards or a phone app) with you and work on GRE vocabulary throughout the day.