Explore the concept of Prethermal Floquet Time Crystals in this 42-minute conference talk from the 2021 Non-Equilibrium Universality in Many-Body Physics KITP Conference. Delve into the different types of Floquet Time Crystals, focusing on Discrete Time Crystals and Prethermal Boundary Time Crystals. Examine strong modes, universality, and periodically driven models. Investigate the stability phase diagram, dispersion, and correlation functions. Analyze spatial two-point correlations and numerics within specific time windows. Consider the effects of interactions, renormalization group (RG) analysis, phase transitions, and effective temperature. Gain insights into cutting-edge research at the intersection of statistical physics, AMO, condensed matter, and high-energy physics, with potential applications in quantum simulators and non-equilibrium many-body systems.