Walk for two blocks, then jog for one block, walk for two blocks, jog for one block, and so on. Do this as often as feels comfortable, and extend your exercise for longer periods if you feel comfortable. Keep track of your mileage, or set a goal of exercising 60 minutes. The type of exercise you choose is up to you. The important thing is that you start exercising and keep doing it.
Exercise relieves much of the pain fibromyalgia causes.
Some people find that exercise makes all their pain go away. You will also feel better if you have some control over your care and well-being.