repetition. repetition. repetition.
Audio learner - record notes by using voice memos on your phone. Listen to them. Talk to a friend about the subject. Talk to a wall.
Visual learner - create study sheets (pretty usually helps), post them on a wall, draw visual maps of the content, create mind maps
Kinesthetic learner - teach the content to someone else (or pretend), write them down again, flashcards (paper or online like Quizlet) --> make and practice them