: Fully extract the downloaded Redux .zip file.
: Launch OpenIV and select "Grand Theft Auto V Windows". Point it to your game folder (e.g., Steam\steamapps\common\Grand Theft Auto V ). gta-5-redux-game-link
: In OpenIV, go to Tools > Package Installer . Select the GTA_5_REDUX_V1.X.oiv file from your extracted folder. : Fully extract the downloaded Redux