After installation, launch GTA V Story Mode. Use a trainer (like Simple Trainer or Menyoo) to spawn a vehicle or object from the mp202301 pack.
Copy the custom mp202301 folder you downloaded (the one containing the dlc.rpf ) into the dlcpacks directory. update x64 dlcpacks mp202301 dlcrpf extra quality
In the GTA V directory, the path update/x64/dlcpacks/ is the storage hub for all post-release content updates. Each folder within this directory—such as mp2023_01 —represents a specific Title Update. After installation, launch GTA V Story Mode