Backup your original file before you replace it.

INSTRUCTIONS:

1. Run Open IV
2. Go to Grand Theft Auto V\x64v.rpf\models\cdimages\streamedpeds_players.rpf\player_one\
3. Press Edit Mode button in OpenIV and replace "uppr_diff_011_g_uni.ytd" with the file in the .zip
4. Press again Edit Mode to disable it and then you can play the game.

If you have any requests, feel free to contact me