The main recommendations that we have found on ways to improve your IQ are;
1. Practice with IQ tests and mind games. - Remember the old saying 'practice makes perfect'? Well its true for your IQ!
2. Get enough sleep. - Sleep is very important for proper brain function so getting the right amount will make a difference to your IQ.
3.Omega 3 supplements. - Its been shown that Omega 3 (found in fish oil) improves healthy brain function.
4. Listen to classical music. - It has been shown that listening to classical music helps in improving IQ in what is referred to as the "Mozart effect"
5. Read. - Read books instead of watching the TV as much!

Try this IQ test first its a quick and fun test to do and will help ease you into the big stuff, it only takes a few minutes so warm up on it first! make sure you get your score then do the other longer and harder ones!!!
After you do the IQ test above try some from this site, they are longer and harder so hopefully you warmed up on the test above