Install:
Use this mod to use PEDS as Add-Ons:
https://www.gta5-mods.com/scripts/addonpeds-asi-pedselector
Or Replace any Ped you want just rename the files to whatever ped you want to replace "example: ig-bankman"

Install weapon with OpenIV replace the downloaded files in the following location
V /Mods/ update / x64/dlcpacks / patchday8ng /dlc.rpf/x64/ models / cdimages /weapons.rpf