When I googled "how to raise your iq", Google's stock (first) answer was:
"Here are five ways, but it really all boils down to stretching your brain by learning new things:
1.Become a renaissance man. Or woman. ...
2.Play the brain game Dual N-Back. Do this 20 minutes a day. ...
3.Do regular high cardio exercise. ...
4.Learn an instrument. ...
5.Buy the book Boost Your IQ by Carolyn Skitt, and play all the games.
May 22, 2015"
There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy.
Hamlet (1.5.167-8), Hamlet to Horatio.