Meditation takes on a central role in this process; it is the penultimate step to samadhi in the yoga-sūtras. To prepare for meditation the mind and heart need purification. All types of yoga with various names are given; all are a preparation to the ultimate aim.
This needs time to get familiar with and put into practice; step by step starting with the 5 restraints and observances. Begin by simply being aware of the overall system and state which of these are already part of your daily life and which you would like to develop for your own peace of mind.