Make sure to comment on what you think on 3D's max vs Blender (or 'GIMS' versus 'Sollu mz'). If you have further questions feel free to ask in the comments or within the discord channel.
1) Download 'Blender' -
https://www.blender.org/download/
2) Download 'Sollumz' -
https://github.com/Skylumz/Sollumz
3) Nvidia 'dds' plugin for GTA:V textures:
https://developer.nvidia.com/texture-tools-exporter
4) How to create your FiveM server:
https://www.youtube.com/watch?v=ep-gfmcARQc