There are many ways to use a home treadmill, depending on your fitness goals. It is important to begin slowly and gradually increase your speed and intensity as you get more comfortable if you are just starting. You can try walking or running at different speeds and inclines for a cardiovascular workout. Moreover, to tone your legs and butt, you can try interval training or using the machine's built-in programs. Finally, cool down after your workout and stretch your muscles to avoid injury.