1) Go through this entire page to evaluate your current skill set for the TOEFL. Make sure to skip nothing because if you do, you'll miss important points to reach your dream score.
2) Take notes on what you don't understand or didn't know. Then, use that to write out your S.M.A.R.T. TOEFL study plan to hit your goal TOEFL score.
S: specific, M: measurable, A: actionable, R: results oriented, and T: time bound.
3) If you find it hard to identify your weaknesses for step 2) or improve confidently with the content here, it's important to know that more great, powerful help is available.