To help yourself remember something jot down some notes, say them aloud and keep your notes organized. When you involve different functions of your body such as writing and talking to remember something, those physical activities will help your brain recall more effectively. In addition, the notes serve as a visual memory aid.
Try to memorize things in sets of 7. According to studies, the human capacity for Short Term Memory, or (STM) is 7, add or minus 2. This is why humans memorize things best in groups of 7. This is also why, for example, your phone number is seven digits.