No one has ever seen a Higgs boson. In fact, of all the particles in the Standard Model of Particle Physics arguably only the photon (a particle of light) is, in any sense, visible. All the others – quarks, electrons, mu and tau leptons, neutrinos, gluons, and W and Z bosons – are effectively invisible.
As for the Higgs boson, even indirectly inferring its existence took a 40-year search with the most complex machine ever built. Its discovery