In this talk, I will review the present status of the Higgs boson's properties since its discovery in 2012. I will focus on the measurements of several Higgs couplings at the LHC and at future lepton colliders, in the context of an effective field theory. I will also address the necessity to look beyond the Standard Model of particle physics (BSM) in the purview of several experimental observations and theoretical requirements. Specifically, I will discuss several scenarios involving a dark matter candidate. Furthermore, I will discuss the importance of considering higher order corrections in the calculation of the relic abundance and direct-detection cross-section of dark matter. In addition, I will discuss some scenarios involving long-lived particles, upon including certain exotic signatures which are yet to be studied by the experiments. Finally, I will briefly discuss models with extended scalar and fermionic sectors, and exotic decays of particles.