This is good guide for what you need setup yours own FiveM Server (Windows) :)
First for setup for fivem you need install this package:
And ready to go install yours FiveM Server
Step #1 - Main Folder
Create Folder "FiveM-Server" where you want you setup yours own fivem server :)
So many setup fivem server on Desktop.
Step #2 - Folders
Make subfolder "Data" and "Server"
Step #3 - FiveM Artifacts
And extract this package to "FiveM-Server/Server"
Step #4 - Database
Step #5 - Starting Resources
Start this resource and click start tab for apache and mysql.
Step #6 - Starting Server
Go to "FiveM-Server/Server" -> Double clicking FXserver.exe and here you go!