Nagaitsev, S. JACoW Publishing Geneva, Switzerland The LBNF is a major focus of the US high energy physics program. The neutrino beam will be created at Fermilab and the detector will be located at the Sanford laboratory in the Homestake mine in South Dakota. The talk will review the physics goals and the beam requirements for the experiment. It will then describe the beam physics challenges and the upgrades and modifications to the Fermilab site that have been and will be implemented to generate the required high intensity beams.