Make sure to get a good pair of running shoes. If you can, go to a running store where they can watch you run (gait check) and give recommendations. Good running shoes can prevent injury. [edit] It looks like you may live in an area that has lots of hiking trails - get you some trail running shoes and run there. Trail running >>> road running.

Don’t add more than 10% to your total distance each week, regardless of how many days per week you run.

Try and do some sort of lower body strength training to keep from hurting yourself. Weak legs will get tired and start to compensate by moving in not-so-great ways.

Don’t feel like you need to go as fast as possible every run. Most of your runs should be easy pace.