This lecture covers the basic principles of Inertial Confinement Fusion (ICF) and Magnetic Confinement Fusion, discussing the energy balance, pellet compression, and the rocket effect. It explains the challenges in achieving fusion, such as core heating, pellet design, and beam alignment. The lecture also delves into the engineering challenges of high-energy drivers and materials for vacuum chambers. Additionally, it explores the concept of toroidal devices in magnetic confinement and the progress towards achieving a burning plasma in tokamaks like ITER.