Any activity that gets your body moving around and your heart beating faster than normal can be considered exercise. Playing soccer, riding a bike, walking your dog, or running in place. There are endless possible ways to exercise.
Comfortable clothing to fit your local weather.
Good pair of shoes
Pick any physical activity that you like to do. Going to a local gym, riding a bike, jogging, walking, playing sports are some popular ways to exercise. Also be sure to eat healthy and hydrate before and after exercise.
Exercise helps your body burn calories which results in weight loss and muscle growth. Even just 5-10 minutes a day can help with decreased risk of death from cardiovascular disease.
3-5x per week
Any time of the day but try to avoid extreme heat or cold.