Anisotropic flow plays a crucial role to characterize the momentum anisotropy of the final state particles. In order to probe the properties of the system created in high multiplicity pp collisions at LHC energies, we study within the percolation color sources, the effects of initial state geometry, profile distribution, size and eccentricity fluctuations in pp collisions at the LHC energies. The results on the higher harmonic flow modes shown how the initial state geometry and the density of color string sources vary significantly the contribution of the higher flow modes (vn) due to the size effect. The correlation of the higher flow harmonics with the corresponding η/s is compared with hydrodynamic calculations.
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