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The spin-charge-family theory, which is a kind of the Kaluza-Klein theoriesin $d=(13+1)$ --- but with the two kinds of the spin connection fields, thegauge fields of the two Clifford algebra objects, $S^{ab}$ and $\tilde{S}^{ab}$--- explains all the assumptions of the standard model: The origin of thecharges of fermions appearing in one family, the origin and properties of thevector gauge fields of these charges, the origin and properties of the familiesof fermions, the origin of the scalar fields observed as the Higgs's scalar andthe Yukawa couplings. The theory explains several other phenomena like: Theorigin of the dark matter, of the matter-antimatter asymmetry, the "miraculous"triangle anomaly cancellation in the standard model and others. Since thetheory starts at $d=(13+1)$ the question arises how and at which $d$ had ouruniverse started and how it came down to $d=(13+1)$ and further to $d=(3+1)$.In this short contribution some answers to these questions are presented.

Fermions and bosons in the expanding universe by the spin-charge-family theory