  Measurement of the fiducial inclusive and differential production cross
sections of the Higgs boson in proton-proton collisions at $\sqrt{s} =$ 13 TeV
are performed using events where the Higgs boson decays into a pair of W bosons
that subsequently decay into a final state with an electron, a muon, and a pair
of neutrinos. The analysis is based on data collected with the CMS detector at
the LHC during 2016-2018, corresponding to an integrated luminosity of 137
fb$^{-1}$. Production cross sections are measured as a function of the
transverse momentum of the Higgs boson and the associated jet multiplicity. The
Higgs boson signal is extracted and simultaneously unfolded to correct for
selection efficiency and resolution effects using maximum-likelihood fits to
the observed distributions in data. The integrated fiducial cross section is
measured to be 86.5 $\pm$ 9.5 fb, consistent with the Standard Model
expectation of 82.5 $\pm$ 4.2 fb. No significant deviation from the Standard
Model expectations is observed in the differential measurements.
