There is no one-size-fits-all answer to this question, as the best way to change your momentum background may vary depending on your own personal circumstances and preferences. However, some tips on how to change your momentum background free can include:1. Search online for online resources that can help you learn more about momentum background changes.2. Contact your localpta or momentum center to find out how to change your momentum background for free.3. Experiment with different momentum backgrounds to find the one that works best for you.