The roadmap for how the server runs.
For saving player data and economy stats.
.rar files from unofficial sources are common vectors for trojans or miners. Always scan the archive using a service like VirusTotal before extracting.
Scripts (Lua/JS) for jobs, vehicles, and UI elements.
For a clean, safe server start, it is better to use the official FiveM Documentation to install a fresh server build. Are you trying to install this on a local machine, or