  We discuss many new subleading processes for inclusive production of W+W-
pairs generally not included in the literature so far. We focus mainly on
photon-photon induced processes. We include elastic-elastic, elastic-inelastic,
inelastic-elastic and inelastic-inelastic contributions. Predictions for the
total cross section and differential distributions in W - boson rapidity and
transverse momentum as well as WW invariant mass are presented. The gamma-gamma
components only constitute about 1-2 percent of the inclusive W+W- cross
section but increases up to about 10 percent at large W+W- transverse momenta,
and are even comparable to the dominant quark-(anti)quark component at large
M_{WW}, they are much larger than the gg \to W+W- one.
