Basically, good thinking ability is a combination of various factors such as concentration, memory, problem solving, and creativity. To improve the ability to think, several things that can be done include:
Practice concentration by focusing on just one thing for a long time.
Develop memory skills by practicing remembering the information received.
Practice problem solving by trying to find a solution to the problem at hand.
Maintain physical and mental health by exercising regularly and maintaining a healthy diet.
Develop creativity by trying new things and doing fun activities.