During one of his seminar about the Sciences of the Qur’an, sh. Yasir Qadhi shared with us some practical steps that helped him memorize the Qur’an during his teenage years.
Realize it’s a spiritual AND physical project. It’s a miracle and blessing from Allah subhanahu wa ta’ala that you’re able to absorb the Qur’an. If you want to take advantage of this blessing, you should be in a position to receive it and therefore strive physically to achieve it and strive spiritually to get the maximum benefit.