Don't play the online with this mod or you get banned!
Use OpenIV to install

-Put lowr_015_r.ydd / lowr_diff_015_a_whi.ytd into:

x64v/models/cdimages/streamedpeds_mp/mp_f_freemode_01

-Put mp_fm_skin_lo_whi.ytd / mp_fm_skin_up_whi.ytd into:

update/x64/dlcpacks/patchday4ng/dlc/x64/models/ped_mp_overlay_txds