Before takeoff, update all software and firmware, and read the instructions thoroughly.
See the FAA website for requirements and information about flying a drone safely: https://www.faa.gov/uas/getting_started/fly_for_fun/. Additional state or local requirements may apply. Check your local jurisdiction. The following websites may help you make informed decisions about flying your drone: www.knowbeforeyoufly.org and www.modelaircraft.org.